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maple

(Encyclopedia)maple, common name for the genus Acer of the Aceraceae, a family of deciduous trees and shrubs of the Northern Hemisphere, found mainly in temperate regions and on tropical mountain slopes. Acer, the ...

Kingsport

(Encyclopedia)Kingsport, city (1990 pop. 36,365), Hawkins and Sullivan counties, NE Tenn., on the Holston River near the Va. line; inc. 1917. Industries include one of the largest printing and bookbinding plants in...

sweetener, artificial

(Encyclopedia)sweetener, artificial, substance used as a low-calorie sugar substitute. Saccharin, cyclamates, and aspartame have been the most commonly used artificial sweeteners. Saccharin, a coal-tar derivative t...

bremsstrahlung

(Encyclopedia)bremsstrahlung brĕmˈshträˌləng [key]: see X ray. ...

Havemeyer, Henry Osborne

(Encyclopedia)Havemeyer, Henry Osborne hăvˈəmīˌyər [key], 1847–1907, American industrialist, b. New York City. He inherited large family interests in sugar refining and, with his brother Theodore, expanded ...

Fridley

(Encyclopedia)Fridley, city (2020 pop. 29,590), Anoka co., SE Minn., a suburb north of Minneapolis, on the Mississippi River; settled 1847, inc. as a city 1957. A dis...

Orbiting Astronomical Observatory

(Encyclopedia)Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space Administration (NASA) to...

bichir

(Encyclopedia)bichir bĭchˈər [key], common name for African freshwater fishes as of the family Polypteridae, and particularly for those of the genus Polypterus. Bichirs are among the most primitive of the ray-fi...

Raymond, town, Canada

(Encyclopedia)Raymond, town (1991 pop. 3,130), S Alta., Canada, SE of Lethbridge, in a sugar beet area. Sugar is refined and honey is produced there. A provincial agricultural college is in the town. ...

Green, Hetty

(Encyclopedia)Green, Hetty, 1835–1916, American financier, b. Henrietta Howland Robinson, New Bedford, Mass. She inherited a large fortune from her father and invested it so shrewdly that she was considered the g...