the northernmost island of the Hebrides, in NW Scotland. 825 sq. mi. (2135 sq. km).
noun, Chemistry. 1. any substance capable of forming a covalent bond with an acid by transferring a pair of electrons to it. noun 1. a substance capable of donating a pair of electrons to an acid to form a covalent bond Compare Lewis acid
noun, Building Trades. 1. an anchor bolt having a conical base around which concrete or lead is poured to hold it.
noun 1. a light, air-cooled, gas-operated machine gun with a circular magazine, first used in World War I. noun 1. a light air-cooled drum-fed gas-operated machine gun used chiefly in World War I
[loo-uh-shuh m] /ˈlu ə ʃəm/ noun 1. a borough of Greater London, England. /ˈluːɪʃəm/ noun 1. a borough of S Greater London, on the River Thames. Pop: 248 300 (2003 est). Area: 35 sq km (13 sq miles)