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metronome

(Encyclopedia)metronome mĕˈtrənōmˌ [key], in music, originally pyramid-shaped clockwork mechanism to indicate the exact tempo in which a work is to be performed. It has a double pendulum whose pace can be alte...

kithara

(Encyclopedia)kithara sĭthˈ– [key], musical instrument of the ancient Greeks. It was a plucked instrument, a larger and stronger form of the lyre, used by professional musicians both for solo playing and for th...

Lachenmann, Helmut

(Encyclopedia)Lachenmann, Helmut, 1935–, German composer, b. Stuttgart. One of the most influential European composers of the late 20th and early 21st cents., he studied in Venice with Luigi Nono (1958–60) and ...

cellophane

(Encyclopedia)cellophane, thin, transparent sheet or tube of regenerated cellulose. Cellophane is used in packaging and as a membrane for dialysis. It is sometimes dyed and can be moisture-proofed by a thin coating...

carob

(Encyclopedia)carob kărˈəb [key], leguminous evergreen tree (Ceratonia siliqua) of the family Leguminosae (pulse family), native to Mediterranean regions but cultivated in other warm climates, including Florida ...

bluefish

(Encyclopedia)bluefish, voracious marine fish of the family Pomatomidae, resembling the pompano but more closely related to the sea basses (see bass, in zoology). Bluefish are found in the warm waters of the Indian...

Yerkes Observatory

(Encyclopedia)Yerkes Observatory, astronomical observatory located in Williams Bay, Wis., on the shore of Lake Geneva. It was founded in 1892 with funds provided by Charles T. Yerkes and its first director was Geor...

Ross, Barney David

(Encyclopedia)Ross, Barney David, 1909–67, American boxer, b. New York City as Dov-Ber Rasofsky; he was also known as Beryl David Rasofsky and Barnet David Rasofsky. After an amateur career, Ross turned professio...

shoring

(Encyclopedia)shoring, placing of props or braces, called shores, against or beneath a structure for support. Shoring is often used to stabilize a building when it is to undergo structural modification or repair. C...

force

(Encyclopedia)force, commonly, a “push” or “pull,” more properly defined in physics as a quantity that changes the motion, size, or shape of a body. Force is a vector quantity, having both magnitude and dir...