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Grooms, Red

(Encyclopedia)Grooms, Red (Charles Grooms), 1937–, American artist, b. Nashville, Tenn; studied Art Inst. of Chicago, Peabody College, New School for Social Research, Hans Hofmann School of Fine Arts. He moved to...

Hart, Moss

(Encyclopedia)Hart, Moss, 1904–61, American dramatist, b. New York City, studied at Columbia. His first important play, Once in a Lifetime (1930), marked the beginning of a long collaboration with George S. Kaufm...

urea

(Encyclopedia)CE5 urea yo͝oēˈə [key], organic compound that is the principal end product of nitrogen metabolism in most mammals. Urea was the first animal metabolite to be isolated in crystalline form; its c...

Bach

(Encyclopedia)Bach bäkh [key], German family of distinguished musicians who flourished from the 16th through the 18th cent., its most renowned member being Johann Sebastian Bach (see separate articleBach, Johann S...

conducting

(Encyclopedia)conducting, in music, the art of unifying the efforts of a number of musicians simultaneously engaged in musical performance. In the Middle Ages and Renaissance the conductor was primarily a time beat...

Geiger counter

(Encyclopedia)Geiger counter or Geiger-Müller (G-M) counter gīˈgər-mŭlˈər, –myo͞oˈlər [key], instrument for the detection and quantitative determination of ionizing radiation such as the alpha and beta ...

Weyden, Roger van der

(Encyclopedia)Weyden, Roger van der vän dər vīˈdən [key], c.1400–1464, major early Flemish master, known also as Roger de la Pasture. He is believed to have studied with Robert Campin. His early works also s...

Sendak, Maurice Bernard

(Encyclopedia)Sendak, Maurice Bernard, 1928–2012, American writer and illustrator of children's books, b. Brooklyn, N.Y. Largely self-taught, he was widely acclaimed as the 20th-century's most important childrens...

dialect

(Encyclopedia)dialect, variety of a language used by a group of speakers within a particular speech community. Every individual speaks a variety of his language, termed an idiolect. Dialects are groups of idiolects...

galvanometer

(Encyclopedia)CE5 Galvanometer galvanometer gălˌvənŏmˈətər [key], instrument used to determine the presence, direction, and strength of an electric current in a conductor. All galvanometers are based upo...