Columbia Encyclopedia

Search results

500 results found

Meteosat

(Encyclopedia)Meteosat: see European Space Agency. ...

Arianespace

(Encyclopedia)Arianespace: see European Space Agency. ...

CIA

(Encyclopedia)CIA: see Central Intelligence Agency. ...

United Press

(Encyclopedia)United Press: see news agency.

wire service

(Encyclopedia)wire service: see news agency.

hydrophone

(Encyclopedia)hydrophone hīˈdrəfōnˌ [key], device that receives underwater sound waves and converts them to electrical energy; the voltage generated can then be read on a meter or played through a loudspeaker....

erg

(Encyclopedia)erg ûrg [key], unit of work or energy in the cgs system of units, which is based on the metric system; it is the work done or energy expended by a force of 1 dyne acting through a distance of 1 centi...

foot-pound

(Encyclopedia)foot-pound, abbr. ft-lb, unit of work or energy in the customary English gravitational system; it is the work done or energy expended by a force of 1 pound acting through a distance of 1 foot. It is e...

phonon

(Encyclopedia)phonon fōˈnŏn [key], quantum of vibrational energy. The atoms of any crystal are in a state of vibration, their average kinetic energy being measured by the absolute temperature of the crystal. In ...

Cooperative State Research, Education, and Extension Service

(Encyclopedia)Cooperative State Research, Education, and Extension Service, agency within the U.S. Dept. of Agriculture, created (1995) as a result of the reorganization act passed (1994) by Congress. The agency co...