Defroster

//diːˈfɹɒstə(ɹ)// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A device for removing frost or ice from a surface or food by applying heat.

    "The driver's window in each cab is fitted with an electrically-operated windscreen wiper, a sun visor, and a defroster, heated from a nozzle."

  2. 2
    heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane) wordnet

Synonyms

All synonyms
deicerdemisterheaterradiator

Example

More examples

"Does your car have a rear window defroster?"

Etymology

From defrost + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.