(in basaltic igneous rocks) a series of generally hexagonal columns formed by vertical joints as a result of contraction during cooling.
[kol-uh m] /ˈkɒl əm/ noun 1. Architecture. 2. any columnlike object, mass, or formation: a column of smoke. 3. a vertical row or list: Add this column of figures. 4. a vertical arrangement on a page of horizontal lines of type, usually typographically justified: There are three columns on this page. 5. a regular feature […]
noun, Chemistry. 1. See under . [kroh-muh-tog-ruh-fee] /ˌkroʊ məˈtɒg rə fi/ noun, Chemistry. 1. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel. /ˌkrəʊməˈtɒɡrəfɪ/ noun 1. the technique of separating and analysing […]
noun 1. a very straight, close-fitting dress.
[kuh-luhm-nee-uh] /kəˈlʌm ni ə/ noun 1. any of various vines or shrubs of the genus Columnea, native to tropical America, that have tubular, showy, two-lipped flowers and are often cultivated as houseplants.