English dictionary

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English noun: Ob

1. Ob (object) a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea

SynonymsOb River

Instance hypernymriver

Part meronymSiberia

2. OB (cognition) the branch of medicine dealing with childbirth and care of the mother

Synonymsmidwifery, obstetrics, tocology

Broader (hypernym)medical specialty, medicine

Narrower (hyponym)fetology, foetology, perinatology

Domain category membersgravida I, incompetent cervix, induction of labor, nullipara, para, para I, parity, presentation, primigravida, primipara, quadripara, quintipara

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