Columbia Encyclopedia

Search results

500 results found

taste

(Encyclopedia)taste, response to chemical stimulation that enables an organism to detect flavors. In humans and most vertebrate animals, taste is produced by the stimulation by various substances of the taste buds ...

cranberry

(Encyclopedia)cranberry, low creeping evergreen bog plant of the genus Oxycoccus of the family Ericaceae (heath family). Cranberries are considered by some botanists to belong to the blueberry genus Vaccinium. The ...

clothes moth

(Encyclopedia)clothes moth, name for several species of moths of the family Tineidae, whose larvae feed on wool, furs, feathers, upholstery, and a variety of animal products. Clothes moths are of Old World origin. ...

Hershey, Alfred Day

(Encyclopedia)Hershey, Alfred Day, 1908–1997, American microbiologist, b. Owosso, Mich., Ph.D., Michigan State College (now Michigan State Univ.), 1934. Hershey was a professor at the Washington Univ. School of M...

Hidalgo, state, Mexico

(Encyclopedia)Hidalgo ēᵺälˈgō [key], state, 8,058 sq mi (20,870 sq km), central Mexico. Pachuca de Soto is the capital. Cross...

wrasse

(Encyclopedia)wrasse răs [key], common name for a member of the large family Labridae, brilliantly colored fishes found among rocks and kelp in tropical seas. Wrasses, related to the parrotfishes (which are includ...

welding

(Encyclopedia)welding, process for joining separate pieces of metal in a continuous metallic bond. Cold-pressure welding is accomplished by the application of high pressure at room temperature; forge welding (forgi...

air mass

(Encyclopedia)air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height. Air masses for...

Asia

(Encyclopedia)CE5 Asia āˈzhə [key], the world's largest continent 17,139,000 sq mi (44,390,000 sq km) and most populous (2015 est. pop. 4,419,898,000), with nearly three fifths of the world's total population...

Clark, George Rogers

(Encyclopedia)Clark, George Rogers, 1752–1818, American Revolutionary general, conqueror of the Old Northwest, b. near Charlottesville, Va.; brother of William Clark. A surveyor, he was interested in Western land...