单词 | collet |
释义 | collet /kol"it/, n. , v. , colleted, colleting. n. 1. a collar or enclosing band. 2. the enclosing rim within which a jewel is set. 3. a slotted cylindrical clamp inserted tightly into the tapered interior of a sleeve or chuck on a lathe to hold a cylindrical piece of work. 4. Horol. the tiny collar that supports the inner terminal of a hairspring. v.t. 5. to set (a gem or other stone) in a collet. [1520-30; < F, equiv. to col neck ( < L collum) + -et -ET] |
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