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fluorite
(Encyclopedia)fluorite flo͞oˈərspär [key], mineral appearing in various colors, e.g., green, yellow-brown, rose, and red. Chemically, it is calcium fluoride, CaF2. Its crystals, commonly cubic, are transparent ...Helpmann, Sir Robert
(Encyclopedia)Helpmann, Sir Robert, 1909–1986, Australian dancer and choreographer. He danced as a principal (1933–50) with Sadler's Wells Ballet (now the Royal Ballet), often partnering with Margot Fonteyn. Hi...Herbert, Victor
(Encyclopedia)Herbert, Victor, 1859–1924, Irish-American cellist, composer, and conductor, studied at the Stuttgart Conservatory. In 1886 the Metropolitan Opera Company engaged his wife, Therese Herbert-Föster, ...Hercules, in astronomy
(Encyclopedia)Hercules hûrˈkyəlēzˌ [key], in astronomy, northern constellation located between Lyra and Corona Borealis. It is traditionally depicted as the hero Hercules in a kneeling position. There are no v...Ahaz
(Encyclopedia)Ahaz āˈhăz [key], d. c.727 b.c., king of Judah (c.731–727 b.c.), son of Jotham. His reign marked the end of the real independence of Judah. A coalition of Pekah of Israel and Rezin of Syria attac...Carter, Gary Edmund
(Encyclopedia)Carter, Gary Edmund, 1954–2012, American baseball player, b. Culver City, Calif. A superb catcher and clutch-hitting right-handed slugger, he played in the majors for 19 years. Drafted (1972) by the...zinnia
(Encyclopedia)zinnia, any species of the genus Zinnia of the family Asteraceae (aster family), native chiefly to Mexico, though some range as far north as Colorado and as far south as Guatemala. The common zinnia o...bloodletting
(Encyclopedia)bloodletting, also called bleeding, practice of drawing blood from the body in the treatment of disease. General bloodletting consists of the abstraction of blood by incision into an artery (arterioto...beryl
(Encyclopedia)beryl bĕrˈĭl [key], mineral, a silicate of beryllium and aluminum, Be3Al2Si6O18, extremely hard, occurring in hexagonal crystals that may be of enormous size and are usually white, yellow, green, b...thrush , in zoology
(Encyclopedia)thrush, bird, common name for members of the Turdidae, a large family of birds found in most parts of the world and noted for their beautiful song. The majority are modestly colored, with spotted unde...Browse by Subject
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