What is the meaning of temper?

noun

• A sudden outburst of anger.
  • usage: "his temper sparked like damp firewood"
  • synonyms: pique, irritation
• A characteristic (habitual or relatively temporary) state of feeling.
  • usage: "whether he praised or cursed me depended on his temper at the time"; "he was in a bad humor"
  • synonyms: mood, humor, humour
• A disposition to exhibit uncontrolled anger.
  • usage: "his temper was well known to all his employees"
  • synonyms: biliousness, irritability, peevishness, pettishness, snappishness, surliness
• The elasticity and hardness of a metal object; its ability to absorb considerable energy before cracking.
  • synonyms: toughness

verb

• Bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling.
  • usage: "temper glass"
  • synonyms: anneal, normalize
• Harden by reheating and cooling in oil.
  • usage: "temper steel"
  • synonyms: harden
• Adjust the pitch (of pianos. )
• Make more temperate, acceptable, or suitable by adding something else; moderate.
  • usage: "she tempered her criticism"
  • synonyms: season, mollify
• Restrain.
  • synonyms: chasten, moderate