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ethylene

(Encyclopedia)ethylene ĕthˈēn [key], H2C=CH2, a gaseous unsaturated hydrocarbon. It is the simplest alkene. Ethylene is colorless, has a faint odor, and has a slightly sweet taste; it melts at −169.4℃ and bo...

keratin

(Encyclopedia)keratin kĕrˈətĭn [key], any one of a class of fibrous protein molecules that serve as structural units for various living tissues. The keratins are the major protein components of hair, wool, nail...

neoexpressionism

(Encyclopedia)neoexpressionism, term given to an international art movement, mainly in painting, that began in the 1960s and 1970s, was a dominant mode in the 1980s, and has continued04/98 into the 1990s. A reactio...

Henri, Robert

(Encyclopedia)Henri, Robert hĕnˈrī [key], 1865–1929, American painter and teacher, b. Cincinnati as Robert Henry Cozad. He studied at the Pennsylvania Academy of the Fine Arts. In 1888 he went to Paris, where ...

Basil the Great, Saint

(Encyclopedia)Basil the Great, Saint băˈzĭl, bāˈ– [key], c.330–379, Greek prelate, bishop of Caesarea in Cappadocia, Doctor of the Church and one of the Four Fathers of the Greek Church. He was a brother o...

Benton, Thomas Hart, American painter

(Encyclopedia)Benton, Thomas Hart, 1889–1975, American regionalist painter, b. Neosho, Mo.; grandnephew of Sen. Thomas Hart Benton and son of Rep. Maecenas E. Benton. In 1906 and 1907 he attended the Art Institut...

Lyly, John

(Encyclopedia)Lyly or Lilly, John both: lĭlˈē [key], 1554?–1606, English dramatist and prose writer. An accomplished courtier, he also served as a member of Parliament from 1589 to 1601. His Euphues, published...

free port

(Encyclopedia)free port, port, or section of a port, exempt from customs regulations (see tariff). Goods may be landed at a free port for storage and handling, and they may even be processed into manufactured goods...

isomer

(Encyclopedia)isomer īˈsəmər [key], in chemistry, one of two or more compounds having the same molecular formula but different structures (arrangements of atoms in the molecule). Isomerism is the occurrence of ...

totem

(Encyclopedia)totem tōˈtəm [key], an object, usually an animal or plant (or all animals or plants of that species), that is revered by members of a particular social group because of a mystical or ritual relatio...