to temper
- verb
- /ˈtɛmpər/
- Specialized
- The strongboxes were placed in two specially built Chubb safes... constructed of three-quarter- inch tempered steel.
Examples
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Most of the material cools at the slow rates required to make conventionally tempered products.
Academic text (2011) -
If you want a true edge you have to used tempered steel.
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I need the pure water to temper the iron.
Fiction book (1991) -
I have 50 miles of my new rail tempered and ready to roll.
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Four inches of tempered steel over half a meter of concrete.
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Those hinges are tempered steel.
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The viewing area below us will have eight-inch tempered glass set in reinforced steel frames.
Fiction book (1993) -
When you put flame to the tip of a harpoon to temper it... even the hardest steel melts if the flame is too hot.
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During manufacture, chocolate bars are gradually heated and cooled in a tempering process similar to that used to make steel.
Academic text (2002) -
The blacksmith tempered the iron by heating it and then plunging it into cool water.
Synonyms
To cool hot metal quickly in water or oil to make it hard
To heat metal or glass then let it cool slowly to make it stronger
Heat then cool metal or glass to make its texture and strength even
Heat then cool steel to make it less brittle and easier to shape
Antonyms
Idioms
Compounds
How Hard
Surface Forms
Etymology
Temper comes from the old Latin word temperare, which meant 'to mix' or 'to make right' using heat and time. So when metalworkers 'temper' metal they heat and cool it to get the right mix of hardness and flexibility.