(Encyclopedia) milk of magnesia, common name for the chemical compound magnesium hydroxide, Mg(OH)2. The viscous, white, mildly alkaline mixture that is used medicinally as an antacid and laxative is…
(Encyclopedia) loon, common name for migratory aquatic birds found in fresh- and saltwater in the colder parts of the Northern Hemisphere. Its strange, laughing call carries for great distances. Like…
(Encyclopedia)
CE5
Homology in bones of a bird wing and an amphibian foreleg
homologyhomologyhōmŏlˈəjē [key], in biology, the correspondence between structures of different species that is…
(Encyclopedia) Gulf Cooperation Council (GCC), officially Cooperation Council for the Arab States of the Gulf, organization (est. 1981) promoting stability and economic cooperation among Persian Gulf…
(Encyclopedia) garter snake, harmless snake of the genus Thamnophis, abundant from Canada to Central America. There are many common species; members of most species are about 2 ft (60 cm) long. Most…
(Encyclopedia) dipper, common name for the only aquatic member of the order Perciformes (perching birds) found near cold mountain streams. With their short, stubby wings and tails and their thick…
(Encyclopedia) cyclopropane, C3H6, a gaseous hydrocarbon. It is a cyclic alkane, its three carbon atoms being joined together in a ring. The angle between successive carbon-carbon bonds in the ring…
(Encyclopedia) columbinecolumbinekŏlˈəmbīn [key], any plant of the genus Aquilegia, temperate-zone perennials of the family Ranunculaceae (buttercup family), popular both as wildflowers and as garden…
(Encyclopedia) poison hemlock, lethally poisonous herbaceous plant (Conium maculatum) of the family Umbelliferae (parsley family). It has rank, finely divided foliage, flat-topped clusters of small…
(Encyclopedia) partridge, common name applied to various henlike birds of several families. The true partridges of the Old World are members of the pheasant family (Phasianidae); the common European…
