| 单词 | acetabulum |
| 释义 | acetabulum —acetabular, adj. /as'i tab"yeuh leuhm/, n. , pl. acetabula /-leuh/. 1. Anat. the socket in the hipbone that receives the head of the thighbone. See illus. under pelvis. 2. Zool. any of the suction appendages of a leech, octopus, etc. [1660-70; < L: hip socket, cup-shaped part of a plant (Pliny), lit., small cup, orig. for vinegar, equiv. to acet(um) vinegar + -a- by analogy with v. derivs. (cf. VOCABLE) + -bulum suffix denoting instrument or vessel] |
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