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tidal theory

(Encyclopedia)tidal theory: see solar system.

Schwann cell

(Encyclopedia)Schwann cell: see nervous system. ...

protoplanet theory

(Encyclopedia)protoplanet theory: see solar system. ...

Eton

(Encyclopedia)Eton ēˈtən [key], town, Windsor and Maidenhead, central England, on the Thames River. It i...

Hindu Kush

(Encyclopedia)Hindu Kush hĭnˈdo͞o ko͝osh [key], a high mountain system, extending c.500 mi (800 km) W from the Pamir Knot, N Pakistan, into NE Afghanistan; rising to 25,236 ft (7,692 m) in Tirich Mir, on the bo...

ampere

(Encyclopedia)ampere ămˈpēr [key], abbr. amp or A, basic unit of electric current. It is the fundamental electrical unit used with the mks system of units of the metric system. The ampere is officially defined a...

nalorphine

(Encyclopedia)nalorphine nălˈərfēn [key], derivative of morphine that acts to reverse the effects of morphine and other narcotics. It counteracts narcotic-induced nervous system and respiratory system depressio...

New York, State University of

(Encyclopedia)New York, State University of, est. 1948 by the amalgamation under one board of trustees of 29 state-supported institutions. It now comprises all state-supported institutions of higher education, with...

Marbut, Curtis Fletcher

(Encyclopedia)Marbut, Curtis Fletcher märˈbət [key], 1863–1935, American geologist, b. Verona, Mo., grad. Univ. of Missouri (B.S., 1889) and Harvard (M.A., 1844). As professor of geology at the Univ. of Missou...

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, ...