(temperature) heat

(of a female) on heat (in estrus)

warming centre

plural of halte-chaleur

heat wave, hot spell

plural of vague de chaleur

heat island / urban heat island; Ellipsis of îlot de chaleur urbain.

(pathology) heat stroke / (meteorology) heat burst

heat pump (device that can provide heat to a building by transferring thermal energy from the outside using a refrigeration cycle)

(rare) Physically warm, radiating warmth. / (of a thing that has a particular effect on the senses) agreeable for its own qualities. / (of an alcoholic drink, especially wine) Rich in alcohol, feeling physically warm. / (of a color) warm. / (of a person or his personality) ardent, excited, emotive; especially, warm, cordial, showing affection. / (of a piece of literature or work of art) expressive; showing the author's or artist's feelings. / (rare) animated, as of a discussion. / (rare) Quick to anger.