collet
n. 宝石座, 筒夹, 套爪 vt. 把...镶进底座
发音
US
/ˈkɑlɪt/
UK
/ˈkɒlɪt/
词形变化
collets
复数
释义与例句
n.
-
1.
A band, flange, ferrule, or collar, designed to grip and hold a tool or a workpiece under proper control, and usually to release it under control thereafter; such a collet usually is made of a hard, springy material, especially a metal.
That collet can handle up to 3/8-inch bits.
-
2.
The rim (of a ring) within which a jewel is set.
There is an almost invisible collet that secures the stone to the ring.
-
3.
In an embryonic plant, the transition zone between the root and the hypocotyl (not clearly distinguishable in most plants.)
植物学 商务Collar rot forms in the collet between the stem and the root.
-
1.
Alternative form of colet (“lower servant in a church”).
词汇关系
词源
From Middle French collet. Doublet of collar.
来源：wiktionary