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