a device in which evaporation takes place, as for thickening syrup.
the part of a refrigeration system in which the refrigerant absorbs heat and changes from a liquid to a gas.

Origin of evaporator

First recorded in 1820–30; evaporate + -or2
Related formspre·e·vap·o·ra·tor, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for evaporator

Historical Examples of evaporator

  • The concentration of the liquid is done in vacuum, or in an evaporator.


    K. J. Adcock

  • It is noteworthy that superheated steam is not desirable for working an evaporator.

    Animal Proteins

    Hugh Garner Bennett

  • The lye should never be fed into the evaporator in the acid condition.

    Soap-Making Manual

    E. G. Thomssen

  • When it first enters the evaporator the lye is about 11°-12° B.

    Soap-Making Manual

    E. G. Thomssen

  • I expect to put in an evaporator and use natural gas for fuel, and think it will pay.

    The Apple