HOMOCYSTEINE Meaning of HOMOCYSTEINE in English [ ˌhɒmə(ʊ)'sɪsti:n , ˌhəʊm- , -tɪi:n ]■ noun Biochemistry an amino acid produced as an intermediate in the metabolism of methionine and cysteine. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004