Columbia Encyclopedia

Search results

394 results found

hunting

(Encyclopedia)hunting, act of seeking, following, and killing wild animals for consumption or display. It differs from fishing in that it involves only land animals. Hunting was a necessary activity of early humans...

pragmatism

(Encyclopedia)pragmatism prăgˈmətĭzəm [key], method of philosophy in which the truth of a proposition is measured by its correspondence with experimental results and by its practical outcome. Thought is consid...

protection

(Encyclopedia)protection, practice of regulating imports and exports with the purpose of shielding domestic industries from foreign competition. To accomplish that end, certain imports may be excluded entirely, imp...

Hesse

(Encyclopedia)Hesse hĕs, hēsˈē, hĕsˈə [key], Ger. Hessen, state, 8,150 sq mi (24,604 sq km),...

Edison, Thomas Alva

(Encyclopedia)Edison, Thomas Alva, 1847–1931, American inventor, b. Milan, Ohio. A genius in the practical application of scientific principles, Edison was one of the greatest and most productive inventors of his...

hedge fund

(Encyclopedia)hedge fund, in finance, a largely unregulated investment device with a relatively small number of investors that aims to outperform the markets. Originating in the 1950s, the funds “hedge” by offs...

voting machine

(Encyclopedia)voting machine, instrument for recording and counting votes. The voting machine itself is generally positioned in a booth, often closed off by a curtain to assure secrecy for the voter. In the case of...

pressure

(Encyclopedia)pressure, in mechanics, ratio of the force acting on a surface to the area of the surface; it is thus distinct from the total force acting on a surface. A force can be applied to and sustained by a si...

temperature

(Encyclopedia)CE5 Temperature scales temperature, measure of the relative warmth or coolness of an object. Temperature is measured by means of a thermometer or other instrument having a scale calibrated in unit...

European Southern Observatory

(Encyclopedia)European Southern Observatory (ESO), an intergovernmental organization for astronomical research with headquarters in Garching, near Munich, Germany. The ESO began in 1962 as a consortium among Belgiu...