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Iacocca, Lee

(Encyclopedia)Iacocca, Lee (Lido Anthony Iacocca) īˌəkōˈkə [key], 1924–2019, American automobile business executive, b. Allentown, Pa., grad. Lehigh Univ. (1945), Princeton (M.A., 1946). That year he joined...

Riverside

(Encyclopedia)Riverside. 1 City (1990 pop. 226,505), seat of Riverside co., S Calif.; inc. 1883. One of the fastest growing U.S. cities in the late 20th cent., it is famous for its orange industry. The navel orange...

sleep apnea

(Encyclopedia)sleep apnea, episodes of interrupted breathing during sleep. Obstructive sleep apnea is a common disorder in which relaxation of muscles in the throat repeatedly close off the airway during sleep; the...

Great Falls

(Encyclopedia)Great Falls, city (2020 pop. 60,442), seat of Cascade co., N central Mont., second largest city in the state, at the confluence of the Missouri and Sun ...

flux, magnetic

(Encyclopedia)flux, magnetic, in physics, term used to describe the total amount of magnetic field in a given region. The term flux was chosen because the power of a magnet seems to “flow” out of the magnet at ...

inductance

(Encyclopedia)inductance, quantity that measures the electromagnetic induction of an electric circuit component; it is a property of the component itself rather than of the circuit as a whole. The self-inductance, ...

dimension, in physics

(Encyclopedia)dimension, in physics, an expression of the character of a derived quantity in relation to fundamental quantities, without regard for its numerical value. In any system of measurement, such as the met...

Changsha

(Encyclopedia)Changsha chängˈshäˈ [key], city (1994 est. pop. 1,198,100), capital of Hunan prov., S China, on the Xiang River. The name, which means “long sandbank,” is derived from an island in the river. ...

Schenectady

(Encyclopedia)Schenectady skənĕkˈtədē [key], city (1990 pop. 65,566), seat of Schenectady co., E central N.Y., on the Mohawk River and Erie Canal; founded 1661 by Arent Van Curler, inc. 1798. The General Elect...

piezoelectric effect

(Encyclopedia)piezoelectric effect pīēˌzōĭlĕkˈtrĭk [key], voltage produced between surfaces of a solid dielectric (nonconducting substance) when a mechanical stress is applied to it. A small current may be ...