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hydrate
(Encyclopedia)hydrate hīˈdrāt [key], chemical compound that contains water. A common hydrate is the familiar blue vitriol, a crystalline form of cupric sulfate. Chemically, it is cupric sulfate pentahydrate, CuS...ionosphere
(Encyclopedia)ionosphere īŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400 to 600 km) where it m...nobelium
(Encyclopedia)nobelium nōbēˈlēəm [key], artificially produced radioactive chemical element; symbol No; at. no. 102; mass no. of most stable isotope 259; m.p. 827℃; b.p. and density unknown; valence +2, +3. I...Tethys , in astronomy
(Encyclopedia)Tethys tēˈthĭs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn III (or S3), Tethys is 659 mi (1060 km) in diameter, orbits Saturn at a mean dista...Serra, Richard
(Encyclopedia)Serra, Richard, 1939–, American sculptor, b. San Francisco; grad. Univ. of California, Santa Barbara (B.A., 1961), Yale (B.F.A., M.F.A., 1974). Many of his early works (1960s) are cast in rubber or ...stellar structure
(Encyclopedia)stellar structure, physical properties of a star and the processes taking place within it. Except for that of the sun, astronomers must draw their conclusions regarding stellar structure on the basis ...gavial
(Encyclopedia)gavial gāˈvēəl [key], large reptile of the crocodile order, found in rivers from Pakistan to Myanmar. Also called gharial, the gavial (Gavialis gangeticus) is distinguished from the crocodiles and...Givenchy, Hubert de
(Encyclopedia)Givenchy, Hubert de (Count Hubert James Marcel Taffin de Givenchy) übĕrˈ də zhēväNshēˈ [key], 1927–2018, French fashion designer. An assistant designer to Schiaparelli, he opened his own hou...Masinissa
(Encyclopedia)Masinissa or Massinissa both: măsĭnĭsˈə [key], c.238–148 b.c., king of Numidia. He succeeded (c.207 b.c.) his father as king of E Numidia. Brought up in Carthage, he fought in a Carthaginian ca...Fackenheim, Emil Ludwig
(Encyclopedia)Fackenheim, Emil Ludwig āmēl lo͞otˈvĭkh făkˈənhīm [key], 1916–2003, Canadian-Israeli rabbi and philosopher, b. Halle, Germany, grad. Hochschule für die Wissenschaft des Judentums, 1939; Ph...Browse by Subject
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