单词 | quadrate |
释义 | quad·rate (kwŏdrāt′, -rĭt) n. 1. a. A square or cube. b. An approximately square or cubic area, space, or object. 2. Zoology A bone or cartilaginous structure of the skull, joining the upper and lower jaws in birds, fish, reptiles, and amphibians. adj. 1. Having four sides and four angles; square or rectangular. 2. Zoology Of or being the quadrate bone or cartilage. [Middle English quadrat, something square, from Latin quadrātum, from neuter past participle of quadrāre, to make square, from quadrum, square; see kwetwer- in the Appendix of Indo-European roots.] |
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