The term 'emotional HEAT' can be broken down into two crossword solutions: 'ANGER' (5 letters) and 'HEAT' (4 letters). ANGER is an emotion that is often associated with strong feelings of displeasure, hostility, or rage. It is usually caused by a perceived threat or injustice. HEAT, on the other hand, is a form of energy that is transferred from one object to another due to a difference in temperature. In this context, emotional HEAT refers to the intense emotions that can be felt when someone is angry.