superheat verb 3noun 1forms 3 verb3 •To heat a liquid above its boiling point •To heat a vapour above its saturation point •To heat too much, to overheat. noun1 •The excess of temperature of a vapour above its temperature of saturation.In addition to all this, the fluidity of the steam itself was much increased by high superheat, usually achieved by means of the Houlet superheater. — 1944 formssuperheated · superheating · superheats
