MONOZYGOTIC Meaning of MONOZYGOTIC in English [ ˌmɒnə(ʊ)zʌɪ'gɒtɪk ]■ adjective (of twins) derived from a single ovum, and so identical.Originearly 20th cent.: from mono- + zygote + -ic . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004