any substance capable of forming a covalent bond with an acid by transferring a pair of electrons to it.
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)
[loo-uh-sahyt] /ˈlu əˌsaɪt/ noun 1. a pale yellow, odorless compound, C 2 H 2 AsCl 3 , used as a blister gas in World War I. /ˈluːɪˌsaɪt/ noun 1. a colourless oily poisonous liquid with an odour resembling that of geraniums, having a powerful vesicant action and used as a war gas; 1-chloro-2-dichloroarsinoethene. Formula: ClCH:CHAsCl2