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Kaduna

(Encyclopedia)Kaduna käˌdo͞onäˈ [key], town (1991 est. pop. 302,000), N Nigeria. A commercial and industrial center of N Nigeria, Kaduna has cotton-textile, beverage, and furniture factories. It is a rail and ...

bayberry

(Encyclopedia)bayberry, common name for the Myricaceae, a family of trees and shrubs with aromatic foliage, found chiefly in temperate and subtropical regions. The waxy gray “berries” of the North American wild...

spinach

(Encyclopedia)spinach, annual plant (Spinacia oleracea) of the family Chenopodiaceae (goosefoot family), probably of Persian origin and known to have been introduced into Europe in the 15th cent. It is valued as a ...

zedoary

(Encyclopedia)zedoary zĕdˈōĕrˌē [key], name for a perennial herb (Curcuma zedoaria) of the Zingiberaceae (ginger family) and for a spice consisting of its dried and pulverized aromatic rhizome. The plant, rel...

castor bean

(Encyclopedia)castor bean, bean produced by Ricinus communis, a plant of the spurge family, widely cultivated as an ornamental. Moles die when they eat the roots. It has long been used as an ordeal poison in parts ...

Abbe, Ernst

(Encyclopedia)Abbe, Ernst ĕrnst äˈbə [key], 1840–1905, German physicist. He was appointed professor at the Univ. of Jena in 1870 and director of its astronomical and meteorological observatories in 1878. From...

bougainvillea

(Encyclopedia)bougainvillea or bougainvillaea both: bo͞oˌgənvĭlˈēə [key] [for L. A. de Bougainville], any plant of the genus Bougainvillea of the family Nyctaginaceae (four-o'clock family); chiefly tropical ...

animal

(Encyclopedia)animal, any member of the animal kingdom (kingdom Animalia), as distinguished from organisms of the plant kingdom (kingdom Plantae) and the kingdoms Fungi, Protista, and Monera in the five-kingdom sys...

Pinophyta

(Encyclopedia)Pinophyta pīˌnŏfˈətə [key], division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves...

nuclear winter

(Encyclopedia)nuclear winter, theory holding that the smoke and dust produced by a large nuclear war would result in a prolonged period of cold on the earth. The earliest version of the theory, which was put forwar...