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Synonym of Ob
OB
Noun 1. the branch of medicine dealing with childbirth and care of the mother (synonym) obstetrics, tocology, midwifery (hypernym) medicine, medical specialty (hyponym) fetology, foetology (class) induction of labor Ob Noun 1. a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea (synonym) Ob River (hypernym) river (part-holonym) Siberia | ||||