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