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  • homogeneous differential equation (mathematics)

    separation of variables: An equation is called homogeneous if each term contains the function or one of its derivatives. For example, the equation f′ + f 2 = 0 is homogeneous but not linear, f′ + x2 = 0 is linear but not homogeneous, and fxx + fyy = 0 is both…

  • homogeneous equation (mathematics)

    variation of parameters: …solution of a related (homogeneous) equation by functions and determining these functions so that the original differential equation will be satisfied.

  • homogeneous ice nucleation (atmospheric sciences)

    atmosphere: Condensation: …radius, in a process called homogeneous ice nucleation, requires temperatures at or lower than −39 °C (−38 °F). While a raindrop will freeze near 0 °C, small cloud droplets have too few molecules to create an ice crystal by random chance until the molecular motion is slowed as the temperature…

  • homogeneous nucleation (crystallography)

    atmosphere: Condensation: …environment, is referred to as homogeneous nucleation. Air containing water vapour with a relative humidity greater than 100 percent, with respect to a flat surface, is referred to as being supersaturated. In the atmosphere, aerosols serve as initiation sites for the condensation or deposition of water vapour. Since their surfaces…

  • homogeneous precipitation

    chemical precipitation: …effective technique is that called homogeneous precipitation, in which the precipitating agent is synthesized in the solution rather than added mechanically. In difficult cases it may be necessary to isolate an impure precipitate, redissolve it, and reprecipitate it; most of the interfering substances are removed in the original solution, and…

  • homogeneous reaction (chemical reaction)

    Homogeneous reaction, any of a class of chemical reactions that occur in a single phase (gaseous, liquid, or solid), one of two broad classes of reactions—homogeneous and heterogeneous—based on the physical state of the substances present. The most important of homogeneous reactions are the

  • homogeneous reactor (physics)

    nuclear reactor: Other research reactors: There have been homogeneous (fueled solution cores), fast, graphite-moderated, heavy-water-moderated, and beryllium-moderated reactors, as well as those adapted to use fuels left over from power reactor experiments. The design of research reactors is much more fluid and sensitive to a greater variety of unique research demands than designs…

  • homogeneous region (geography)

    region: …or uniform, defined by the homogeneous distribution of some phenomena within it (e.g., a tropical rainforest).

  • homogeneous set (mathematics)

    metalogic: Ultrafilters, ultraproducts, and ultrapowers: Those elements of the set that lie in the same class cannot be distinguished by the property defining that class.

  • homogeneous shopping goods (economics)

    marketing: Shopping goods: Homogeneous shopping goods are those that are similar in quality but different enough in other attributes (such as price, brand image, or style) to justify a search process. These products might include automobile tires or a stereo or television system. Homogeneous shopping goods are often…

  • Homogenic (album by Björk)

    Alexander McQueen: …cover of her 1997 album Homogenic. In 1999 McQueen opened his first boutique.

  • homogenization (chemistry)

    Homogenization, process of reducing a substance, such as the fat globules in milk, to extremely small particles and distributing it uniformly throughout a fluid, such as milk. When milk is properly homogenized, the cream will not rise to the top. The process involves forcing the milk through small

  • homogentisate 1,2-dioxygenase (enzyme)

    alkaptonuria: …the liver by the enzyme homogentisate 1,2-dioxygenase. This enzyme is rendered inactive in individuals who have alkaptonuria, owing to mutation of the enzyme’s gene HGD.

  • homogentisic acid (chemical compound)

    renal system: Volume and composition: …identified by the presence of homogentisic acid in the urine, is due to lack of the enzyme that catalyzes the oxidation of homogentisic acid; deposits of the acid in the tissues may cause chronic arthritis or spinal disease. Other such disorders are cystinuria, the presence of the amino acid cystine…

  • homogentisic acid oxidase (enzyme)

    connective tissue disease: Hereditary disorders of connective tissue: …the liver and kidney enzyme homogentisic acid oxidase results in an abnormal accumulation of homogentisic acid, a normal intermediate in the metabolism of the amino acid tyrosine. Some homogentisic acid is excreted in the urine, to which, upon alkalinization and oxidation, it imparts a black colour. The remainder is deposited…

  • homoglycan (chemical compound)

    carbohydrate: Homopolysaccharides: In general, homopolysaccharides have a well-defined chemical structure, although the molecular weight of an individual amylose or xylan molecule may vary within a particular range, depending on the source; molecules from a single source also may vary in size, because most polysaccharides are formed…

  • homograft (surgery)

    Allograft, in medical procedures, the transfer of tissue between genetically nonidentical members of the same species, although of a compatible blood type. Allografts are commonly used in the transplants of skin, corneas, hearts, livers, kidneys, and bone and bone marrow, although transplants of

  • homohysteria (sociology and psychology)

    homophobia: Homohysteria: Gender has long been implicated with sexuality, and the trials of Irish writer Oscar Wilde, who in 1895 was convicted of gross indecency, furthered this belief. The unusual aesthetic appearance that Wilde represented, alongside his penchant for aesthetic art and beauty, helped formulate homosexual…

  • Homoia (work by Speusippus)

    Speusippus: …strongly criticized by Aristotle, his Homoia (“Similitudes”), a comparative study of plant and animal physiology, has been favourably compared with Aristotle’s own History of Animals and conceivably reflects Speusippus’ view that no single thing can be defined unless all are, because classification and definition are closely related.

  • homoioi (Spartan warriors)

    ancient Greek civilization: The helot factor: Spartan warrior peers (homoioi) were henceforth subjected to a rigorous military training, the agoge, to enable them to deal with the Messenian helots, whose agricultural labours provided the Spartans with the leisure for their military training and life-style—a notoriously vicious circle.

  • homoiomerous thallus (lichen structure)

    fungus: Form and function of lichens: In a homoiomerous thallus, the algal cells, which are distributed throughout the structure, are more numerous than those of the fungus. The more common type of thallus, a heteromerous thallus, has four distinct layers, three of which are formed by the fungus and one by the alga.…

  • homoios (Christianity)

    Homoean, in the Trinitarian controversies of the 4th-century Christian Church, a follower of Acacius, bishop of Caesarea. The Homoeans taught a form of Arianism that asserted that the Son was distinct from, but like (Greek homoios), the Father, as opposed to the Nicene Creed, which stated that the

  • Homoiostelea (fossil echinoderm class)

    echinoderm: Annotated classification: †Class Homoiostelea Upper Cambrian to Lower Devonian about 400,000,000–510,000,000 years ago; with a feeding arm and a complex stem composed in part of more than 2 series of plates. †Class Ctenocystoidea Middle Cambrian about 540,000,000 years ago; no feeding arm and no stem, but with unique…

  • homoioteleuton (paleography)

    paleography: Textual corruptions: …type of error known as homoioteleuton (“like ending”).

  • homoiothermy (physiology)

    Warm-bloodedness, in animals, the ability to maintain a relatively constant internal temperature (about 37° C [99° F] for mammals, about 40° C [104° F] for birds), regardless of the environmental temperature. The ability to maintain an internal temperature distinguishes these animals from c

  • homoiousian (Christianity)

    George of Laodicea: …the principal champions of the homoiousian, or moderate Arian, theological position of the early Christian church.

  • homoiousios (Christianity)

    George of Laodicea: …the principal champions of the homoiousian, or moderate Arian, theological position of the early Christian church.

  • homoleptic compound (chemical compound)

    organometallic compound: Metal carbonyls: …the d-block metals form neutral homoleptic carbonyls. (The term homoleptic refers to identical groups attached to a central atom.) The remarkable volatility of tetracarbonylnickel, whose boiling point is 43 °C, prompted one of Mond’s contemporaries to state that “Mond put wings on metals.” The ease of formation of tetracarbonylnickel (from…

  • Homolka, Oscar (Austrian actor)

    Oscar Homolka, Austrian-born U.S. character actor of stage and screen, known for his memorable portrayals of spies and villains. After two years of military service in World War I, Homolka made his stage debut in Vienna, playing a small part in The Little Man (1918). In 1924 he established himself

  • homologous area adaptation (biology)

    neuroplasticity: Homologous area adaptation: Homologous area adaptation occurs during the early critical period of development. If a particular brain module becomes damaged in early life, its normal operations have the ability to shift to brain areas that do not include the affected module. The function is…

  • homologous chromosome (biology)

    evolution: Chromosomal mutations: …of a pair are called homologous chromosomes. Each cell of an organism and all individuals of the same species have, as a rule, the same number of chromosomes. The reproductive cells (gametes) are an exception; they have only half as many chromosomes as the body (somatic) cells. But the number,…

  • homologous recombination (biology)

    Homologous recombination, the exchange of genetic material between two strands of DNA that contain long stretches of similar base sequences. Homologous recombination occurs naturally in eukaryotic organisms, bacteria, and certain viruses and is a powerful tool in genetic engineering. In eukaryotes,

  • homologous series (chemistry)

    Homologous series, any of numerous groups of chemical compounds in each of which the difference between successive members is a simple structural unit. Such series are most common among organic compounds, the structural difference being a methylene group, as in the paraffin hydrocarbons, or

  • homologous transfusion (medicine)

    blood doping: …been collected and stored, or homologous transfusion, using blood from a compatible donor, may be used in blood doping. Although transfusion has been abused by athletes since the 1970s, only homologous doping can be detected. The first test to detect homologous transfusion was introduced in the Athens 2004 Olympics. In…

  • homology (evolution)

    Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. Homology is contrasted with analogy, which is a functional similarity of structure based not upon common evolutionary origins

  • homology (mathematics)

    Homology, in mathematics, a basic notion of algebraic topology. Intuitively, two curves in a plane or other two-dimensional surface are homologous if together they bound a region—thereby distinguishing between an inside and an outside. Similarly, two surfaces within a three-dimensional space are

  • homology group (mathematics)

    mathematics: Algebraic topology: …of these groups, the so-called homology and cohomology groups of a space.

  • homolysis (chemistry)

    reaction mechanism: Homolysis and heterolysis: When a covalent bond (a nonionic chemical bond formed by shared electrons) is made up of two electrons, each of which is supplied by a different atom, the process is called colligation; the reverse process, in which the electrons of a covalent…

  • homolytic reaction (chemistry)

    reaction mechanism: Homolysis and heterolysis: When a covalent bond (a nonionic chemical bond formed by shared electrons) is made up of two electrons, each of which is supplied by a different atom, the process is called colligation; the reverse process, in which the electrons of a covalent…

  • homomorphism (mathematics)

    Homomorphism, (from Greek homoios morphe, “similar form”), a special correspondence between the members (elements) of two algebraic systems, such as two groups, two rings, or two fields. Two homomorphic systems have the same basic structure, and, while their elements and operations may appear

  • Homonotus (wasp genus)

    spider wasp: Larvae of the European genus Homonotus live on the body of a spider that remains active in its normal habitat until it is gradually killed by the feeding larva.

  • homonuclear molecule

    polarity: Even a homonuclear bond, which is a bond between atoms of the same element, as in Cl2, is not purely covalent, because a more accurate description would be in terms of ionic-covalent resonance:

  • homonymous hemianopia (medical disorder)

    nervous system disease: Cerebral hemispheres: …to one side results in homonymous hemianopia, the loss of all sight in the field of vision on the opposite side. Compression of the optic chiasm, usually by a tumour of the pituitary fossa, may result in the “blinkers” effect. At the optic chiasm the optic nerve fibres from the…

  • homoousios (Christian theology)

    Homoousios, in Christianity, the key term of the Christological doctrine formulated at the first ecumenical council, held at Nicaea in 325, to affirm that God the Son and God the Father are of the same substance. The First Council of Nicaea, presided over by the emperor Constantine, was convened to

  • homophily (sociology)

    news aggregator: Media theory: …on journalism is that of homophily. Homophily, literally "love of sameness," is a sociological theory that similar individuals will move toward each other and act in a similar manner. Coined in 1954 by social scientists Paul Lazarsfeld and Robert Merton, the idea of homophily has been expanded by evolving media…

  • homophobia (psychology and society)

    Homophobia, culturally produced fear of or prejudice against homosexuals that sometimes manifests itself in legal restrictions or, in extreme cases, bullying or even violence against homosexuals (sometimes called “gay bashing”). The term homophobia was coined in the late 1960s and was used

  • homophony (music)

    Homophony, musical texture based primarily on chords, in contrast to polyphony, which results from combinations of relatively independent melodies. In homophony, one part, usually the highest, tends to predominate and there is little rhythmic differentiation between the parts, whereas in

  • homophony (linguistics)

    writing: Types of writing systems: …provide different graphic representations for homophones (words that sound identical but have different meanings) the more clearly to distinguish their meanings, as in meat, meet, mete; pain, pane; be, bee. The morphemic unit is so fundamental to the reading process that some linguists have concluded that, for an orthography to…

  • homoplasy (evolution)
  • homopolar machine (generator)

    electric generator: Inductor alternators: In the homopolar type of machine, the magnetic flux is produced by direct current in a stationary field coil concentric with the shaft. In the heteropolar type, the field coils are in slots in the stator.

  • homopolymer (chemistry)

    chemistry of industrial polymers: Copolymers and polymer blends: …the product is called a homopolymer—as shown in Figure 3A, with polyvinyl chloride as the example. Copolymers, on the other hand, are made from two or more monomers. Procedures have been developed to make copolymers in which the repeating units are distributed randomly (Figure 3B), in alternating fashion (Figure 3C),…

  • homopolysaccharide (chemical compound)

    carbohydrate: Homopolysaccharides: In general, homopolysaccharides have a well-defined chemical structure, although the molecular weight of an individual amylose or xylan molecule may vary within a particular range, depending on the source; molecules from a single source also may vary in size, because most polysaccharides are formed…

  • Homoptera (insect order)

    Homopteran, (order Homoptera), any of more than 32,000 species of sucking insects, the members of which exhibit considerable diversity in body size. All of the Homoptera are plant feeders, with mouthparts adapted for sucking plant sap from a wide assortment of trees and wild and cultivated plants.

  • homopteran (insect order)

    Homopteran, (order Homoptera), any of more than 32,000 species of sucking insects, the members of which exhibit considerable diversity in body size. All of the Homoptera are plant feeders, with mouthparts adapted for sucking plant sap from a wide assortment of trees and wild and cultivated plants.

  • Homosexual Offences and Prostitution in Great Britain, Committee on

    Wolfenden Report: …published in 1957 by the Committee on Homosexual Offences and Prostitution in Great Britain. It was named for Sir John Wolfenden, the chairman of the committee. Using the findings of psychoanalysis and social science, the report urged that public statutes avoid the attempt to legislate morality and that they concern…

  • homosexual rights movement (political and social movement)

    Gay rights movement, civil rights movement that advocates equal rights for gay men, lesbians, bisexuals, and transsexuals; seeks to eliminate sodomy laws barring homosexual acts between consenting adults; and calls for an end to discrimination against gay men and lesbians in employment, credit

  • homosexuality

    Homosexuality, sexual interest in and attraction to members of one’s own sex. The term gay is frequently used as a synonym for homosexual; female homosexuality is often referred to as lesbianism. At different times and in different cultures, homosexual behaviour has been variously approved of,

  • homosexuality

    Sexuality, always a troubling issue in Religion, has become the centre of controversy in American religious bodies in recent decades. Whereas struggles over civil rights, protest over the Vietnam war, and debate over economic issues earlier tore such bodies apart, the elements of "the sexual

  • Homosexuality in Men and Women (work by Hirschfeld)

    Magnus Hirschfeld: …year he published his study Homosexuality in Men and Women, which was based on the expansive statistical surveys on homosexuality that he had conducted. In addition to publishing works on sexology and sexual reforms, Hirschfeld also wrote about racism, politics, and the history of morals.

  • Homosexuality in Perspective (work by Masters and Johnson)

    Masters and Johnson: …and Johnson published the controversial Homosexuality in Perspective, a report on the clinical treatment of sexual problems affecting homosexuals. In the book, they described the conversion to heterosexuality of several dozen homosexuals, whom the researchers claimed wished to function as heterosexuals. They also wrote, with Robert C. Kolodny, Human Sexuality…

  • Homosexuals in America, The (work by Hay)

    Harry Hay: …until 1951, in the essay “The Homosexual in America.” Even then, Hay wrote it under the pseudonym Donald Webster Cory. In 1948 Hay also worked for the presidential campaign of Progressive Party leader Henry Wallace. Soon after, Hay divorced his wife and began to sow the seeds of the gay…

  • homosphere (atmospheric science)

    protonosphere: …the Earth’s atmosphere, called the homosphere (100 km [about 65 miles]), turbulence causes a continuous mixing of the atmospheric constituents, whereas in the heterosphere, above 100 km, the various constituents tend to separate out.

  • homospory (botany)

    fern: Size: Most ferns are homosporous, each plant having spores of one shape and size, usually 30 to 50 micrometres in length or diameter, although some reach more than 100 micrometres. A few fern families, however, have dimorphic spores, small ones (microspores) and large ones (megaspores). The gametophytes of ferns…

  • Homostelea (fossil echinoderm class)

    echinoderm: Annotated classification: †Class Homostelea Middle Cambrian about 540,000,000 years ago; no feeding arm, but with stem of essentially 2 series of plates. †Class Homoiostelea Upper Cambrian to Lower Devonian about 400,000,000–510,000,000 years ago; with a feeding arm and a complex stem composed in part of more than 2…

  • homothallism (reproduction)

    fungus: Sexual incompatibility: Many fungi, however, are homothallic; i.e., sex organs produced by a single thallus are self-compatible, and a second thallus is unnecessary for sexual reproduction. Some of the most complex fungi (e.g., mushrooms) do not develop differentiated sex organs; rather, the sexual function is carried out by their somatic hyphae,…

  • homothetogeny (biology)

    protist: Reproduction and life cycles: …point-by-point correspondence of parts (homothetogenic fission), often seen as essentially transverse or perkinetal (across the kineties, or ciliary rows). Many amoebas exhibit, in effect, no clear-cut body symmetry or polarity, and thus their fission is basically simpler and falls into neither of the categories described above.

  • homotopic paths (mathematics)

    homotopy: …with common endpoints are called homotopic if one can be continuously deformed into the other leaving the end points fixed and remaining within its defined region. In part A of the figure, the shaded region has a hole in it; f and g are homotopic paths, but g′ is not…

  • homotopy (mathematics)

    Homotopy, in mathematics, a way of classifying geometric regions by studying the different types of paths that can be drawn in the region. Two paths with common endpoints are called homotopic if one can be continuously deformed into the other leaving the end points fixed and remaining within its

  • homotopy class (mathematics)

    homotopy: …geometric region is called a homotopy class. The set of all such classes can be given an algebraic structure called a group, the fundamental group of the region, whose structure varies according to the type of region. In a region with no holes, all closed paths are homotopic and the…

  • homotopy group (mathematics)

    mathematics: Algebraic topology: …the branch of topology called homotopy theory. Being more delicate, it is both more basic and more difficult. There are usually standard methods for computing homology and cohomology groups, and they are completely known for many spaces. In contrast, there is scarcely an interesting class of spaces for which all…

  • homozygote (biology)

    Homozygote, an organism with identical pairs of genes (or alleles) for a specific trait. If both of the two gametes (sex cells) that fuse during fertilization carry the same form of the gene for a specific trait, the organism is said to be homozygous for that trait. In a heterozygous organism, or

  • homozygous allele (biology)

    Homozygote, an organism with identical pairs of genes (or alleles) for a specific trait. If both of the two gametes (sex cells) that fuse during fertilization carry the same form of the gene for a specific trait, the organism is said to be homozygous for that trait. In a heterozygous organism, or

  • homozygous beta-thalassemia (pathology)

    blood disease: Thalassemia and hemoglobinopathies: Thalassemia major (Cooley anemia) is characterized by severe anemia, enlargement of the spleen, and body deformities associated with expansion of the bone marrow. The latter presumably represents a response to the need for greatly accelerated red cell production by genetically defective red cell precursors, which…

  • hompa-shiki (art)

    Jōgan style: The drapery, known as hompa (“wave”), is one of the most distinguishing features of the Jōgan style. The folds are cut deeply in a simple measured rhythm, a technique suggestive of the string drapery of the colossal image of the Buddha at Bāmīān, Afghanistan, which was a focal figure…

  • Homs (Syria)

    Homs, city, central Syria. The city is situated near the Orontes River at the eastern end of Syria’s only natural gateway from the Mediterranean coast to the interior. It occupies the site of ancient Emesa, which contained a great temple to the sun god El Gebal (Aramaic; Latin: Elagabalus; Greek:

  • Homs, Al- (Libya)

    Al-Khums, town, northwestern Libya. It is located on the Mediterranean coast about 60 miles (97 km) southeast of Tripoli. The town was founded by the Turks and gained importance after 1870 by exporting esparto grass (used for cordage, shoes, and paper). Modern economic activities in Al-Khums

  • Homudawage no Mikoto (emperor of Japan)

    Ōjin, semilegendary 15th emperor of Japan, who according to tradition flourished in the 3rd–4th century. Ōjin is believed to have consolidated imperial power, spearheaded land reform, and actively promoted cultural exchanges with Korea and China. It is said that highly skilled weaving techniques

  • homunculus (biology)

    zoology: Embryology, or developmental studies: …adult existed as a miniature—a homunculus—in the microscopic material that initiates the embryo. But in 1759 the German physician Caspar Friedrick Wolff firmly introduced into biology the interpretation that undifferentiated materials gradually become specialized, in an orderly way, into adult structures. Although this epigenetic process is now accepted as characterizing…

  • homunculus (philosophy)

    philosophy of mind: Homunculi: Another frequent objection against theories like CRTT, originally voiced by Wittgenstein and Ryle, is that they merely reproduce the problems they are supposed to solve, since they invariably posit processes—such as following rules or comparing one thing with another—that seem to require the very…

  • Homunculus Nebula (astronomy)

    Eta Carinae, peculiar red star and nebula about 7,500 light-years from Earth in the southern constellation Carina and now known to be a binary star system. It is one of a small class of stars called luminous blue variables. The English astronomer Sir Edmond Halley noted it in 1677 as a star of

  • Homusubi (Shintō deity)

    Izanagi and Izanami: …birth to the fire god, Kagutsuchi (or Homusubi), Izanami was fatally burned and went to Yomi, the land of darkness. The grief-stricken Izanagi followed her there, but she had eaten the food of that place and could not leave. She became angry when he lit a fire and saw her…

  • Homyel (province, Belarus)

    Homyel, voblasts (province), southeastern Belarus. It occupies the level plain of the middle Dnieper River and its tributaries. There are considerable areas of reed and grass marsh and of peat bog. Most of the drier areas lie in dense forest of oak, pine, and hornbeam on soils that are commonly

  • Homyel (Belarus)

    Homyel, city and administrative centre, Homyel oblast (region), Belarus, on the Sozh River. It was first mentioned in 1142 as Gomy. It passed to Lithuania in the 14th century and later to Poland, and it was acquired by Russia in 1772. In the late 19th century Homyel developed as a major railway

  • Homyelskaya Voblasts (province, Belarus)

    Homyel, voblasts (province), southeastern Belarus. It occupies the level plain of the middle Dnieper River and its tributaries. There are considerable areas of reed and grass marsh and of peat bog. Most of the drier areas lie in dense forest of oak, pine, and hornbeam on soils that are commonly

  • Hon Gai (Vietnam)

    Ha Long, port city, northeastern Vietnam. Ha Long lies along Ha Long Bay of the Gulf of Tonkin, about 25 miles (40 km) northeast of Haiphong. It is an export centre for coal mined at nearby Quang Yen, the site of anthracite deposits that are the largest in Southeast Asia. Other economic activities

  • Hon Lik (Chinese pharmacist)

    e-cigarette: …in 2003 by Chinese pharmacist Hon Lik, who initially developed the device to serve as an alternative to conventional smoking. In addition to the battery component, an e-cigarette comprises an atomizer and a cartridge containing either a nicotine or a non-nicotine liquid solution. When the device is operated, the battery…

  • Hon’ami Kōetsu (Japanese painter)

    Hon’ami Kōetsu, celebrated Japanese painter of the Tokugawa period who was also an innovator in lacquerwork (with raised inlays of metal and shell and bold designs), a calligrapher, a potter, a connoisseur of swords, a landscape gardener, and a devotee of the tea ceremony. He was born in the

  • Hon’ami Kōyetsu (Japanese painter)

    Hon’ami Kōetsu, celebrated Japanese painter of the Tokugawa period who was also an innovator in lacquerwork (with raised inlays of metal and shell and bold designs), a calligrapher, a potter, a connoisseur of swords, a landscape gardener, and a devotee of the tea ceremony. He was born in the

  • Honan (province, China)

    Henan, sheng (province) of north-central China. The province stretches some 300 miles (480 km) from north to south and 350 miles (560 km) east to west at its widest point. It is bounded to the north by the provinces of Shanxi and Hebei, to the east by Shandong and Anhui, to the west by Shaanxi, and

  • Honaunau (Hawaii, United States)

    Honaunau, village and historical site, Hawaii county, on the western coast of Hawaii island, Hawaii, U.S. Located at the southern end of Kealakekua Bay, it was once the traditional seat of the Hawaiian kingdom of Kona and is now a small fishing community. It is also the site of numerous

  • honchi-suijaku (Japanese religion)

    Honji-suijaku, (Japanese: “original substance, manifest traces”) Chinese Buddhist idea that was transmitted to Japan, greatly influencing the Shintō understanding of deity, or kami. As developed in the medieval period, the theory reinterpreted Japanese kami as the “manifest traces” of the “original

  • Honchō hennen-roku (work by Hayashi Razan)

    Japan: The Tokugawa status system: …seen in such works as Honchō hennen-roku (“Chronological History of Japan”) and Honchō tsugan (“Survey History of Japan”), completed by his son Gahō—provided a historical justification for the establishment of the Tokugawa shogunate, based upon the concept of tendō (“way of heaven”). Tendō essentially took on the connotation of the…

  • Honchō tsugan (work by Hayashi Razan and Hayashi Gahō)

    Japan: The Tokugawa status system: … (“Chronological History of Japan”) and Honchō tsugan (“Survey History of Japan”), completed by his son Gahō—provided a historical justification for the establishment of the Tokugawa shogunate, based upon the concept of tendō (“way of heaven”). Tendō essentially took on the connotation of the Chinese term t’ien-ming (“mandate of heaven”; Japanese:…

  • Honda Accord (automobile)

    automobile: Japanese cars: Honda’s Accord model, introduced in 1976, offered refinement and economy superior to comparable American models, albeit at a slightly higher price. The Accord was an immediate hit and resulted in construction of a Honda manufacturing plant in Ohio, the first of what would be many “transplant”…

  • Honda Classic (golf tournament)

    Padraig Harrington: …2015, when he won the Honda Classic. The following year he won the Portugal Masters, his first win on the European Tour since 2008. Harrington competed at the 2016 Olympics in Rio de Janeiro, where golf made its return after having been absent from the Games for more than a…

  • Honda Giken Kōgyō KK (Japanese corporation)

    Honda Motor Company, Ltd., leading Japanese manufacturer of motorcycles and a major producer of automobiles for the world market. Headquarters are in Tokyo. The engineer Honda Soichiro founded the Honda Technical Research Institute near Hamamatsu in 1946 to develop small, efficient

  • Honda Ishirō (Japanese director)

    Honda Ishirō, Japanese filmmaker who worked closely with Kurosawa Akira but was perhaps best known for his leading role in Japan’s kaijū eiga (“monster movie”) craze of the 1950s and ’60s, mostly through his direction of Gojira (1954; Godzilla) and several of its sequels. Honda grew up in a small

  • Honda Kenichi (Japanese engineer)

    Honda Kenichi, Japanese engineer whose discovery (with Fujishima Akira) of the photocatalytic properties of titanium dioxide led to an expansion in the field of photoelectrochemistry. After receiving a bachelor’s degree in engineering from the University of Tokyo in 1949, Honda studied at the

  • Honda Motor Company, Ltd. (Japanese corporation)

    Honda Motor Company, Ltd., leading Japanese manufacturer of motorcycles and a major producer of automobiles for the world market. Headquarters are in Tokyo. The engineer Honda Soichiro founded the Honda Technical Research Institute near Hamamatsu in 1946 to develop small, efficient

  • Honda Soichiro (Japanese businessman)

    Honda Soichiro, Japanese industrialist and engineer who was the founder of Honda Motor Company, Ltd. Honda began working as a mechanic in Tokyo at age 15 and six years later opened his own repair shop in Hamamatsu. At the same time, he began building and driving race cars. Shortly before World War

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