su·per·heat (s  p r-h t )tr.v. su·per·heat·ed, su·per·heat·ing, su·per·heats 1. To heat excessively; overheat. 2. To heat (steam or other vapor not in contact with its own liquid) beyond its saturation point at a given pressure. 3. To heat (a liquid) above its boiling point without causing vaporization. n. (s pr-ht)1. The amount by which a vapor is superheated. 2. The heat imparted during the process of superheating. su per·heater n. |
superheat [ˌsuːpəˈhiːt]
vb (tr)
1. (Chemistry) to heat (a vapour, esp steam) to a temperature above its saturation point for a given pressure
2. (Chemistry) to heat (a liquid) to a temperature above its boiling point without boiling occurring
3. to heat excessively; overheat
superheater n
| superheat (spr-ht) To heat a substance above a phase-transition temperature without the transition occurring. For example, water can be heated above its boiling point without boiling; the introduction of an impurity or physical disturbance can then trigger boiling. Superheating is an example of hysteresis. Compare supercool. |
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