A device that produces and radiates heat, typically to raise the temperature of a room or building. / A person who heats something, for example in metalworking. / (dated, slang) A gun.

plural of heater

A surname.

plural of Heater

An electrical heater which stores thermal energy during the evening or at night when electricity is available at lower cost, and releases the heat during the day as required.

plural of storage heater

plural of quartz heater

A portable electric radiant heater consisting of elements sealed in quartz glass tubes which produce infrared radiation in front of a reflective backing.

(military, mechanical engineering) A type of torpedo engine where water is injected into the combustion chamber alongside fuel and compressed air or oxygen, cooling the engine and increasing its power through the production and expansion of steam.

plural of wet heater