Columbia Encyclopedia

Search results

193 results found

antiparticle

(Encyclopedia)antiparticle, elementary particle corresponding to an ordinary particle such as the proton, neutron, or electron, but having the opposite electrical charge and magnetic moment. Every elementary partic...

nitrogen

(Encyclopedia)nitrogen nīˈtrəjən [key], gaseous chemical element; symbol N; at. no. 7; interval in which at. wt. ranges 14.00643–14.00728; m.p. −209.86℃; b.p. −195.8℃; density 1.25 grams per liter at ...

adult education

(Encyclopedia)adult education, extension of educational opportunities to those adults beyond the age of general public education who feel a need for further training of any sort, also known as continuing education....

vocational education

(Encyclopedia)vocational education, training designed to advance individuals' general proficiency, especially in relation to their present or future occupations. The term does not normally include training for the ...

forestry

(Encyclopedia)forestry, the management of forest lands for wood, water, wildlife, forage, and recreation. Because the major economic importance of the forest lies in wood and wood products, forestry has been chiefl...

Swedish literature

(Encyclopedia)Swedish literature, literary works in the Swedish language. In the early 20th cent. the fiction of Hjalmar Söderberg presaged a renewed emphasis on restraint and realism. Ludvig Nordström, Gust...

criticism

(Encyclopedia)criticism, the interpretation and evaluation of literature and the arts. It exists in a variety of literary forms: dialogues (Plato, John Dryden), verse (Horace, Alexander Pope), letters (John Keats),...

Popes of the Roman Catholic Church (table)

(Encyclopedia)Popes of the Roman Catholic ChurchIn the following list, the date of election, rather than of consecration, is given. Before St. Victor I (189), dates may err by one year. Antipopes—i.e., those men...

geography

(Encyclopedia)geography, the science of place, i.e., the study of the surface of the earth, the location and distribution of its physical and cultural features, the areal patterns or places that they form, and the ...

lighting

(Encyclopedia)CE5 Incandescent lamp CE5 Basic fluorescent lamp lighting, light produced by artificial means to allow visibility in enclosures and at night. For stage lighting, see scene design and stage ligh...