noun
- A major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea.
- synonyms: Ob River
- The branch of medicine dealing with childbirth and care of the mother.
- synonyms: obstetrics, tocology, midwifery
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). ob. Retrieved September 20, 2026, from http://smartdefine.org/ob/definitions/1227240 |
| Chicago | WordNet. 2010. "ob" http://smartdefine.org/ob/definitions/1227240 (accessed September 20, 2026). |
| Harvard | WordNet 2010, ob, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/ob/definitions/1227240>. |
| MLA | WordNet. "ob" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/ob/definitions/1227240> |