ಅರ್ಥ : A major river of western Siberia. Flows generally northward and westward to the Gulf of Ob and the Kara Sea.
ಸಮಾನಾರ್ಥಕ : ob river
ಅರ್ಥ : The branch of medicine dealing with childbirth and care of the mother.
ಸಮಾನಾರ್ಥಕ : midwifery, obstetrics, tocology