LITHIA Meaning of LITHIA in English [ 'lɪθɪə ]■ noun Chemistry lithium oxide, a white alkaline solid.OriginC19: mod. L., alt. of earlier lithion , from Gk, neut. of litheios , from lithos 'stone'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004