GNU Collaborative International Dictionary of English
last match results
Found 2 definitions
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Superheat (?), v. t. [imp. & p. p. Superheated; p. pr. & vb. n. Superheating.]
1. To heat too much, to overheat; as, “to superheat an oven”.
[1913 Webster]
2. (Steam Engine) To heat, as steam, apart from contact with water, until it resembles a perfect gas.
[1913 Webster]
3. To heat (a liquid) above its boiling point without converting it into vapor.
[Webster 1913 Suppl.]
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Superheated heated to a temperature above the boiling point at the ambient pressure; -- said of liquids. In such an unstable condition, a small disturbance of the liquid can cause a rapid and sometimes violent ebullition of vapor.
[PJC]