·noun The increase of temperature communicated to steam by superheating it.
II. Superheat ·vt To heat too much, to overheat; as, to superheat an Oven.
III. Superheat ·vt To heat, as steam, apart from contact with water, until it resembles a perfect gas.
IV. Superheat ·add. ·vt To heat a liquid above its boiling point without converting it into vapor.