temper

US /ˈtɛmpɚ/

UK /ˈtempə(r)/

B1TOEIC
n. (c./u.)Noun (Countable/Uncountable)An angry mood or fit; temperament
You should watch your temper or it might get you into trouble
v.t.Transitive VerbTo dilute something or make it less severe
The lake will temper the weather, making it milder
n. (c./u.)Noun (Countable/Uncountable)Lack of calmness
I have a short temper
n. (c./u.)Noun (Countable/Uncountable)Degree of calmness, or anger you display
He has a short temper, so do not disagree with him
v.t.Transitive VerbTo heat metal to make it hard or flexible
The workers must properly temper the steel
v.t.Transitive VerbTo moderate or control; to make less intense.
He needs to temper his anger or he will get into trouble.
v.t.Transitive VerbTo strengthen or harden (a material) by heat treatment.
The blacksmith tempered the steel by heating and cooling it.
n. (c./u.)Noun (Countable/Uncountable)A tendency to become easily angered.
He lost his temper when he saw the damage.

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