Causing heat.

present participle of heat

A system that raises the temperature of a room or building. Compare heater. / The act of making something hot.

plural of heating

(uncountable) Thermal energy. / (uncountable) The condition or quality of being hot. / (uncountable) An attribute of a spice that causes a burning sensation in the mouth.

(transitive) To cause an increase in temperature of (an object or space); to cause to become hot (often with "up"). / (intransitive) To become hotter.

(military) Acronym of high explosive antitank: a munition using a high explosive shaped charge to breach armour.

Archaic spelling of heat.

(biology) in estrus; receptive to mating

Alternative form of in heat