Columbia Encyclopedia

Search results

500 results found

Vernon, cities, United States

(Encyclopedia)Vernon. 1 City (1990 pop. 152), Los Angeles co., S Calif., industrial suburb 2 mi (3.2 km) S of downtown Los Angeles; founded and inc. 1905. Vernon has a workforce (c.44,000) that hugely exceeds its f...

cryptosporidium

(Encyclopedia)cryptosporidium krĭpˌtōspərĭdˈēəm [key], genus of protozoans having at least four species; they are waterborne parasites that cause the disease cryptosporidiosis. One of the species appears to...

inspector general

(Encyclopedia)inspector general, a government official tasked with independently overseeing an agency or department. Inspectors general are utilized by many countries, as well as regional and local governments and ...

screw

(Encyclopedia)screw, simple machine consisting essentially of a solid cylinder, usually of metal, around which an inclined plane winds spirally, either clockwise or counterclockwise. It is used to fasten one object...

expansion

(Encyclopedia)expansion, in physics, increase in volume resulting from an increase in temperature. Contraction is the reverse process. When heat is applied to a body, the rate of vibration and the distances between...

rosin

(Encyclopedia)rosin or colophony, hard, brittle, translucent resin, obtained as a solid residue from crude turpentine. Usually pale yellow or amber, its color may vary from brownish-black to transparent depending o...

coronagraph

(Encyclopedia)coronagraph kərōˈnəgrăfˌ [key], device invented by the French astronomer B. Lyot (1931) for the purpose of observing the corona of the sun and solar prominences occurring in the chromosphere. Be...

cocker spaniel

(Encyclopedia)cocker spaniel, breed of small sporting dog developed from English cocker spaniels brought to the United States in the 1880s. It stands from 14 to 15 in. (35.6–38.1 cm) high at the shoulder and weig...

cylinder

(Encyclopedia)CE5 Cylinder cylinder, in mathematics, surface generated by a line moving parallel to a given fixed line and continually intersecting a given fixed curve called the directrix; each line of the fam...

dachshund

(Encyclopedia)dachshund dăksˈho͝ond, –ənd, dăshˈ– [key], breed of small, short-legged hound developed in Germany over hundreds of years. It stands from 5 to 9 in. (13–23 cm) high at the shoulder and wei...