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Noun: OB
  1. The branch of medicine dealing with childbirth and care of the mother
    - obstetrics, tocology, midwifery
Noun: Ob  ób
  1. A major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
    - Ob River

Derived forms: Obs

Type of: medical specialty, medicine, river

Part of: Siberia

Encyclopedia: OB

Ob, Russia