simple past tense and past participle of heat
"The soup was heated on the stove before dinner."
In plain English: To heat something means to make it warm by adding energy, usually from fire or electricity.
"The argument quickly heated when they started shouting at each other."
Very agitated, angry or impassioned.
"The debate turned heated when both speakers began shouting at each other."
In plain English: Heated means something is very intense, angry, or full of strong emotion.
"The argument became heated when they started shouting at each other."