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Wöhler, Friedrich
(Encyclopedia) Wöhler, FriedrichWöhler, Friedrichfrēˈdrĭkh vöˈlər [key], 1800–1882, German chemist. He studied under the German chemist Leopold Gmelin and J. J. Berzelius, a Swedish chemist, and in…Bestuzhev, Aleksandr Aleksandrovich
(Encyclopedia) Bestuzhev, Aleksandr AleksandrovichBestuzhev, Aleksandr Aleksandrovichəlyĭksänˈdər əlyĭksänˈdrəvĭch byĭst&oomacr;ˈzhəf [key], pseud. Cossack MarlinskyCossack Marlinskykŏsˈăk…caddis fly
(Encyclopedia) caddis fly, any of various insects of the order Trichoptera, with four hairy wings usually held back rooflike over the abdomen, long antennae, and chewing mouthparts. The aquatic…Mapp v. Ohio
(Encyclopedia) Mapp v. Ohio, case decided in 1961 by the U.S. Supreme Court. Dollree Mapp was convicted in a state court of possessing pornographic material in violation of Ohio law. Her conviction…demiurge
(Encyclopedia) demiurgedemiurgedĕmˈēûrjˌ [key] [Gr.,=workman, craftsman], name given by Plato in a mythological passage in the Timaeus to the creator God. In Gnosticism the Demiurge, creator of the…Draper, Lyman Copeland
(Encyclopedia) Draper, Lyman Copeland, 1815–91, American historical collector and librarian, b. Erie co., N.Y. He spent years traveling through an area ranging from New York to Mississippi, gathering…Hoffman, Malvina
(Encyclopedia) Hoffman, Malvina, 1887–1966, American sculptor, b. New York City. She was a pupil of Rodin. Of her spirited figures representative examples are Pavlowa gavotte (Stockholm, Sweden) and…kaolinite
(Encyclopedia) kaolinitekaolinitekāˈəlĭnīt [key], clay mineral crystallizing in the monoclinic system and forming the chief constituent of china clay and kaolin. It is a hydrous aluminum silicate…silver nitrate
(Encyclopedia) silver nitratesilver nitratenīˈtrāt [key], chemical compound, AgNO3, a colorless crystalline material that is very soluble in water. The most important compound of silver, it is used…sea pansy
(Encyclopedia) sea pansy, fleshy, leaf-shaped colony of marine organisms belonging to the genus Renilla in the same phylum as the jellyfish. The colony consists of a stalk formed by a large organism…Trending
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