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tachometer

(Encyclopedia)tachometer tăkŏmˈətər [key], instrument that indicates the speed, usually in revolutions per minute, at which an engine shaft is rotating. Some tachometers, especially those used in automobiles, ...

Torrens, Sir Robert Richard

(Encyclopedia)Torrens, Sir Robert Richard tŏrˈənz [key], 1814–84, Australian statesman, b. Ireland. Son of Col. Robert Torrens (1780–1864), one of the founders of South Australia, he went to that colony in 1...

crypts of Lieberkühn

(Encyclopedia)crypts of Lieberkühn: see digestive system. ...

Altay

(Encyclopedia)Altay: see Altai, mountain system, Asia. ...

national grasslands

(Encyclopedia)national grasslands: see National Forest System. ...

celestial equator

(Encyclopedia)celestial equator: see equatorial coordinate system. ...

Plath, Sylvia

(Encyclopedia)Plath, Sylvia, 1932–63, American poet, b. Boston. Educated at Smith College and Cambridge, Plath published poems even as a child and won many academic and literary awards. Her first volume of poetry...

squid

(Encyclopedia)squid, carnivorous marine cephalopod mollusk. The squid is one of the most highly developed invertebrates, well adapted to its active, predatory life. The characteristic molluscan shell is reduced to ...