heat-treated

heat-treated — verb

  • heat-treatedpresent simple I / you / we / they
  • heat-treateds3rd person singular
  • heat-treateding-ing form
  • heat-treatededpast simple

1. heated a metal, glass, or other material to a controlled temperature, then coole

1.動詞及物C1
釋義

heated a metal, glass, or other material to a controlled temperature, then cooled it, so that the material became harder, stronger, or easier to shape; the past form of 'heat-treat'.

例句

The factory heat-treated the steel blades to make them harder and last longer.

heat-treat + object for changing a metal's strength

Before the bridge opened, every cable was heat-treated to stop it from cracking.

passive: be heat-treated to improve a material

同義詞
  • temper

    specifically reheating then cooling metal to reduce brittleness; narrower than heat-treat

  • anneal

    heating then slowly cooling to soften a material; one type of heat treatment

  • harden

    the general result, with no fixed method; heat-treat names the heating process

文法句型

heat-treat + object

be heat-treated

用法筆記

Almost always passive in real use ('the parts are heat-treated'), because the focus is on the material, not the worker. The object is a material or part made of metal, glass, or rubber.

常見錯誤

❌The chef heat-treated the soup for an hour.
✅The chef heated the soup for an hour.
💡'heat-treat' is for hardening metal or glass, not for cooking food.