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defrost

[dih-frawst, -frost]
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verb (used with object)
  1. to remove the frost or ice from: to defrost a refrigerator; to defrost the windshield of a car.
  2. to thaw or partially thaw (frozen food).
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verb (used without object)
  1. to become free of ice or frost: The refrigerator defrosted quickly.
  2. to thaw, as frozen food: The meat took two hours to defrost.
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Origin of defrost

First recorded in 1890–95; de- + frost
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for defrost

Contemporary Examples

Historical Examples

  • He opened the refrigerator and examined the control, then turned it to "defrost."

    The Flying Stingaree

    Harold Leland Goodwin


British Dictionary definitions for defrost

defrost

verb
  1. to make or become free of frost or ice
  2. to thaw, esp through removal from a refrigerator
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for defrost

v.

1895, from de- + frost. Related: Defrosted; defrosting.

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Online Etymology Dictionary, © 2010 Douglas Harper