| 单词 | os externum |
| 释义 | Definition of os externum in English:os externumnoun ˌɒs ɪkˈstəːnəmˌɒs ɛkˈstəːnəm Anatomy rare
OriginMid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer. Definition of os externum in US English:os externumnoun Anatomy rare
OriginMid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer. |
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