GNU Collaborative International Dictionary of English

last match results

Found 2 definitions

  1.       
    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.]

  2.       
    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]

Last match results