English noun: Ob |
1. | Ob (object) a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea |
|
| Synonyms | Ob River |
|
| Instance hypernym | river |
|
| Part meronym | Siberia |
|
2. | OB (cognition) the branch of medicine dealing with childbirth and care of the mother |
|
| Synonyms | midwifery, obstetrics, tocology |
|
| Broader (hypernym) | medical specialty, medicine |
|
| Narrower (hyponym) | fetology, foetology, perinatology |
|
| Domain category members | gravida I, incompetent cervix, induction of labor, nullipara, para, para I, parity, presentation, primigravida, primipara, quadripara, quintipara |
|