1. A major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea
   - Ob River

1. The branch of medicine dealing with childbirth and care of the mother
   - obstetrics, tocology, midwifery

Derived forms: Obs

Type of: medical specialty, medicine, river

Part of: Siberia

Encyclopedia: OB

• xenon
• Xenophanes
• xenophobe
• xenophobia
• xenophobic
• Xenophon
• Xenopodidae
• Xenopus
• Xenopus laevis
• Xenorhyncus
• Xenorhyncus asiaticus
• Xenosauridae
• Xenosaurus
• xenotime
• xenotransplant
• xenotransplantation
• xeranthemum
• Xeranthemum annuum
• xeric
• xeriscape
• xeriscaping
• Xerobates
• xeroderma
• xeroderma pigmentosum
• xerodermia