calor
heat
calorie
unit of heat energy
Calor means heat and is related to the English word calorie0, which is a unit of heat energy0.
noun
  1. heat
    The quality of being hot; high temperature
    Hace mucho calor en verano. // It's very hot in summer.
  2. passion
    Intensity of feeling or passion
    El debate se desarrolló con mucho calor. // The debate unfolded with great passion.