1. alien-not contained in or deriving from the essential nature of something; an economic theory alien to the spirit of capitalism; the mysticism so foreign to the French mind and temper; jealousy is foreign to her nature. foreign.
1 the quality of being hot; hotness: in physics, heat is considered a form of energy existing as the result of the random motion of molecules and is the form of energy that is transferred between bodies as a result of their temperature difference.  much hotness; great warmth: stifling heat.
The heat of vaporization is the amount of energy required to turn a liquid into a gas at its boiling point. Just like with melting, it takes energy to change a liquid into a gas, but energy is lost when a gas is changed into a liquid.n order to change a solid to a liquid, there is a certain amount of energy required. This is called the heat of fusion. Remember, fusion means melting, so you can see where it gets its name. Anyway, the heat of fusion is the amount of energy required to change a substance from a solid to a liquid at its melting point.