1.a sudden outburst of anger;
his temper sparked like damp firewood
2.a characteristic (habitual or relatively temporary) state of feeling;
whether he praised or cursed me depended on his temper at the time
3.a disposition to exhibit uncontrolled anger;
his temper was well known to all his employees
4.the elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking
1.toughen (steel or glass) by a process of gradually heating and cooling;
temper glass
2.harden by reheating and cooling in oil;
temper steel
3.adjust the pitch (of pianos)
4.make more temperate, acceptable, or suitable by adding something else; moderate;
she tempered her criticism
5.restrain or temper
回火 tempering;temper 又称配火。金属热处理工艺的一种。将经过淬火的工件重新加热到低于下临界温度的适当温度,保温一段时间后在空气或水、油等介质中冷却的金属热处理。或将淬火后的合金工件加热到适当温度,保温若干时间,然后缓慢或快速冷却。一般用以减低或消除淬火钢件中的内应力,或降低其硬度和强度,以提高其延性或韧性。根据不同的要求可采用低温回火、中温回火或高温回火。通常随着回火温度的升高,硬度和强度降低,