English

Definition of frost noun from the Oxford Advanced Learner's Dictionary

     

    frost

     noun
    noun
    BrE BrE//frɒst//
     
    ; NAmE NAmE//frɔːst//
     
     
    jump to other results
  1. 1[uncountable, countable] a weather condition in which the temperature drops below 0°C (= freezing point) so that a thin white layer of ice forms on the ground and other surfaces, especially at night It will be a clear night with some ground frost. a sharp/hard/severe frost There were ten degrees of frost (= the temperature dropped to -10°C) last night. frost damage
  2. 2[uncountable] the thin white layer of ice that forms when the temperature drops below 0°C The car windows were covered with frost. see also hoar frost
  3. Word Origin Old English frost, forst, of Germanic origin; related to Dutch vorst and German Frost, also to freeze.Extra examples The sharp frost nipped at our noses. The windows were covered in frost. The winter frosts have arrived. The winter frosts have set in up north. The young plants all died in the late frost. There was just a touch of frost in the air. There were ten degrees of frost last night. a heavy ground frost It will be a clear night with some ground frost. a sharp/​hard/​severe frost
See the Oxford Advanced American Dictionary entry: frost