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laser printer

(Encyclopedia)laser printer, a computer printer that produces high-resolution output by means of a process that is similar to photocopying. In place of reflected light from an image (as is used in xerography), a la...

cacomistle

(Encyclopedia)cacomistle kăkˈəmĭsˌəl [key], small New World mammal, genus Bassaricus, related to the raccoon. There are two species, one found in Mexico and the SW United States, the other in Central America....

calcium oxide

(Encyclopedia)calcium oxide, chemical compound, CaO, a colorless, cubic crystalline or white amorphous substance. It is also called lime, quicklime, or caustic lime, but commercial lime often contains impurities, e...

Volta

(Encyclopedia)Volta vólˈtə [key], river, c.290 mi (470 km) long, formed in central Ghana, W Africa, by the confluence of the Black Volta (or Mouhon, c.840 mi/1,350 km long) and the White Volta (or Nakambe, c.450...

bobwhite

(Encyclopedia)bobwhite, common name for an American henlike bird of the family Phasianidae, which also includes the pheasant and the partridge. The eastern bobwhite quail (Colinus virginianus) is about 10 in. (25 c...

cream of tartar

(Encyclopedia)cream of tartar, white crystalline powder. Chemically it is potassium hydrogen tartrate, KC4H5O6, the acidic potassium salt of tartaric acid. It is used as the leavening agent in baking powders. An im...

Charter Oak

(Encyclopedia)Charter Oak, white oak tree that until 1856 stood in Hartford, Conn., and was thought to be 1,000 years old. There is a tradition that when Sir Edmund Andros, as governor-general of New England, deman...

Francis, Sam

(Encyclopedia)Francis, Sam, 1923–94, American painter, b. San Mateo, Calif. Educated in medicine, Francis began painting while recovering from an injury received in World War II. His mural-sized paintings are sta...

Aversa

(Encyclopedia)Aversa ävĕrˈsä [key], city, Campania, S Italy. It is an agricultural and transportation center, noted for its sparkling white wine. It also produces shoes, mozzarella ...

whitewash

(Encyclopedia)whitewash, white fluid commonly used as an inexpensive, impermanent coating for walls, fences, stables, and other exterior structures. It varies in composition, being generally a mixture of lime (quic...