tempers

noun
  1. plural of temper; states of mind regarding anger or calmness
  2. plural of temper; the hardness and elasticity of metal after heat treatment
  3. Usage: metallurgy
verb
  1. third person singular present of temper; moderates or restrains
  2. third person singular present of temper; strengthens metal by heating and cooling
  3. Usage: metallurgy

Examples