EFFLUENCE Meaning of EFFLUENCE in English [ 'ɛflʊəns ]■ noun1》 a substance that flows out. 2》 the action of flowing out.OriginME: from med. L. effluentia , from L. effluent- , effluere 'flow out'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004