collet

[kˈɑlɪt] /ˈkä-lət How to pronounce collet (audio)/ (ame, mw)

collet — noun

1. a ring-shaped metal part that fits around another object to keep it firm, stop s

1.名詞C2
釋義

a ring-shaped metal part that fits around another object to keep it firm, stop splitting, or protect the edge

例句

Emre slid a brass collet onto the broom handle before tightening the screw.

fit a collet onto a handle

The old fishing rod split where the collet had cracked near the end.

cracked collet on a rod

同義詞
  • ferrule

    is a more specific engineering word for a small strengthening ring or cap

  • collar

    is broader and can describe many ring-shaped parts, not only technical metal ones

  • band

    is a general word and sounds less precise than collet in tool or repair contexts

文法句型

a collet around a pole

fit a collet onto a handle

a cracked collet at the end

用法筆記

This sense is used for a reinforcing or protective metal ring around a handle, pole, or edge. Unlike sense 2, it does not describe the machine part that grips a cutting tool.

常見錯誤

❌She sewed a collet onto the shirt neck.
✅She sewed a collar onto the shirt neck.
💡A collet is a technical metal ring or holder, not the cloth part of a shirt.

2. a metal holder on a machine that grips a tool or the piece being worked on so it

2.名詞C2
釋義

a metal holder on a machine that grips a tool or the piece being worked on so it stays steady

例句

Lara tightened the collet so the drill bit would not slip.

tighten the collet on a drill bit

Before the cut began, the machinist cleaned the collet inside the lathe.

collet inside a lathe

同義詞
  • chuck

    is the more familiar machine term, but it can refer to a larger gripping unit with jaws

  • holder

    is broader and less technical than collet

  • socket

    stresses the receiving part more than the gripping action

文法句型

tighten the collet

the collet holds a drill bit

change the collet for a wider tool

用法筆記

This sense belongs to workshop and machine contexts. The thing after it is usually a drill bit, cutter, rod, or another part that must be held firmly during work.

常見錯誤

❌The carpenter put the broom handle into the collet on the wall hook.
✅The machinist put the drill bit into the collet.
💡This sense is a machine holder, not just any ring-shaped part.

3. the metal rim in a piece of jewelry that keeps a stone fixed in place

3.名詞C2
釋義

the metal rim in a piece of jewelry that keeps a stone fixed in place

例句

Nadia chose a narrow gold collet to hold the small sapphire.

collet that holds a stone

The jeweler polished the collet before setting the stone into the ring.

polish the collet before setting

同義詞
  • setting

    is broader and can mean the whole structure that holds the stone

  • bezel

    is a more specific word for a rim that surrounds the edge of a gem

  • mount

    can describe the support for a stone, but it is less exact than collet

文法句型

a collet holds a stone

polish the collet before setting

a bent collet makes a gem lean

用法筆記

This sense is used in jewelry making. It names the metal part that keeps a single stone in place, not the whole ring or necklace.

常見錯誤

❌The bride wore a beautiful collet on her finger.
✅The bride wore a ring with a delicate collet holding the stone.
💡A collet is one part of the jewelry setting, not the whole piece.