| 单词 | collet |
| 释义 | Word Frequency collet(ˈkɒlɪt) noun 1. (in a jewellery setting) a band or coronet-shaped claw that holds an individual stone 2. mechanical engineering an externally tapered sleeve made in two or more segments and used to grip a shaft passed through its centre when the sleeve is compressed by being inserted in a tapered hole 3. horology a small collar that supports the inner end of the hairspring verb 4. (transitive) jewellery to mount in a collet Word origin C16: from Old French: a little collar, from col neckband, neck, from Latin collum neck |
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