ob
English Thesaurus
1. the branch of medicine dealing with childbirth and care of the mother (noun.cognition)
| hypernym | : | medical specialty, medicine, |
| definition | : | the branches of medical science that deal with nonsurgical techniques (noun.cognition) |
| hyponym | : | fetology, foetology, |
| definition | : | the branch of medicine concerned with the fetus in the uterus (noun.cognition) |
| hyponym | : | perinatology, |
| definition | : | the branch of obstetrics concerned with the anatomy and physiology and diagnosis and treatment of disorders of the mother and the fetus or newborn baby during late pregnancy and childbirth and the puerperium (noun.cognition) |
| domain member category | : | induction of labor, |
| definition | : | (obstetrics) inducing the childbirth process artificially by administering oxytocin or by puncturing the amniotic sac (noun.act) |
| domain member category | : | presentation, |
| definition | : | (obstetrics) position of the fetus in the uterus relative to the birth canal (noun.attribute) |
| domain member category | : | incompetent cervix, |
| definition | : | (obstetrics) uterine cervix that becomes dilated before term and without labor often resulting in miscarriage or premature birth (noun.body) |
| domain member category | : | nullipara, |
| definition | : | (obstetrics) a woman who has never give birth to a child (noun.person) |
| domain member category | : | gravida i, primigravida, |
| definition | : | (obstetrics) a woman who is pregnant for the first time (noun.person) |
| domain member category | : | para i, primipara, |
| definition | : | (obstetrics) woman who has been delivered of a child for the first time (noun.person) |
| domain member category | : | quadripara, |
| definition | : | (obstetrics) woman who has given birth to a viable infant in each of four pregnancies (noun.person) |
| domain member category | : | quintipara, |
| definition | : | (obstetrics) woman who has given birth to a viable infant in each of five pregnancies (noun.person) |
| domain member category | : | para, parity, |
| definition | : | (obstetrics) the number of liveborn children a woman has delivered (noun.state) |
2. a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea (noun.object)
| instance hypernym | : | river, |
| definition | : | a large natural stream of water (larger than a creek) (noun.object) |
| part meronym | : | siberia, |
| definition | : | a vast Asian region of Russia; famous for long cold winters (noun.location) |
3. the branch of medicine dealing with childbirth and care of the mother (noun.cognition)
| derivation | : | obstetric, obstetrical, |
| definition | : | of or relating to or used in or practicing obstetrics (adj.pert) |
| derivation | : | obstetric, obstetrical, |
| definition | : | of or relating to or used in or practicing obstetrics (adj.pert) |
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