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to anneal

to anneal

1 8.9
To heat metal or glass then let it cool slowly to make it stronger
  • verb
  • /əˈniːl/
  • Specialized
translation icon : recocer
  • To improve the glass's durability, the artisan must anneal it at a controlled temperature for several hours.
  • annealing furnace
  • annealing at 400 degrees

In fact, if you heated it up, you would anneal those out and make it more ductile again.

Examples

  • After threads have been cut, the tubes are sent to an annealing oven.

    Academic text (1995)
  • The blow-molded bottle is removed by a takeout arm and set upon a conveyor that delivers it to an annealing oven.

    Academic text (1995)
  • In fact, if you heated it up, you would anneal those out and make it more ductile again.

  • So the first thing it can do is you can put a like a a piece of flat stock in you have first, first thing is you have to anneal the brass.

  • The rollers are used to transport large steel slabs through an annealing furnace, where they are heated to varying temperatures to make the steel more ductile.

    Academic text (1998)
  • The blacksmith decided to anneal the metal after shaping it to enhance its strength and reduce brittleness.

  • After manufacturing the metal parts, they were placed in an oven to anneal and achieve the desired hardness.

Synonyms

to temper
vsto anneal
  • Specialized
9 6.4

Make metal stronger and less likely to break by heating and cooling

uses slow cooling to make material less brittle rather than chiefly adding flexibility
to normalize
vsto anneal
  • Specialized
1 7.0

Heat then cool metal or glass to make its texture and strength even

aims to reduce brittleness and increase strength through slow cooling

Antonyms

305 2.8

To make people and things less strong or effective

Phrasal Verbs

to anneal the steel
  • Specialized
7.2

Heat then cool steel to make it less brittle and easier to shape

How Heated

to harden
27 2.6
to temper
  • Specialized
9 6.4
to anneal
  • Specialized
1 8.9
to heat
298 1.0
to warm
488 1.0

Surface Forms

anneal infinitive
annealed past
annealed past participle
annealing present participle
anneals third person singular

Etymology

Anneal comes from an old idea of 'making whole' or 'healing', much like the English word heal, and so it means to heat a material and then let it cool to restore or strengthen it.