(1):
(v. t.) To heat too much, to overheat; as, to superheat an oven.
(2):
(v. t.) To heat, as steam, apart from contact with water, until it resembles a perfect gas.
(3):
(v. t.) To heat a liquid above its boiling point without converting it into vapor.
(4):
(n.) The increase of temperature communicated to steam by superheating it.