1. the process of heating and cooling metal to make it harder and stronger
Usage: metallurgy
2. the act of moderating or restraining something

Examples

• The tempering of steel requires precise temperature control.
• The blacksmith’s tempering process made the blade incredibly durable.
• Proper tempering prevents the metal from becoming too brittle.
• The tempering of his anger took considerable effort.
• She showed great tempering of her initial enthusiasm.
• The tempering of chocolate requires careful heating and cooling.
• His tempering of harsh criticism made it more constructive.