burn offとは 意味・読み方・使い方

動詞

burn off (三人称単数 現在形 burns off, 現在分詞 burning off, 過去形および過去分詞形 burned off または burnt off)

1. (intransitive) To dissipate as the result of heat.
   • 2005, Lark Gould, Los Angeles Off the Beaten Path®, page xix:

     The weather by the beach can be considerably cooler—ten degrees or more— and usually starts with fog and haze that burn off by late morning.

2. (transitive) To cause to dissipate by applying heat.
   • 2013, Wen Zhu, The Matchmaker, the Apprentice, and the Football Fan:

     When he tried to light the cigarette in his mouth, he discovered he was about to burn off the filter and a fair bit of his mouth.

3. (transitive, intransitive, oil) To dispose of (unusable explosive natural gas from an oil well) by burning it as it emerges from the well.
4. (intransitive, rail transport, of an axle bearing) To fail due to overheating.
5. (transitive, intransitive, television) To fill (low-value air time) with programming not suitable for its original purpose.
6. (transitive) To expend energy resulting from metabolizing food.
   • 2010, Richard Littlejohn, Littlejohn's House of Fun: Thirteen Years of (Labour) Madness, page 78:

     It's to encourage boys to burn off excess energy.

   • 2010, Efua Baker, 15 Minute Calorie Burn Workout, page 11:

     To get rid of just 0.5kg (1lb) of excess fat you must burn off around 3500 calories.

   • 2015, James Egan, Over 100 Ways to Stop Sabotaging Your Life, page 13:

     But you can burn off calories more ways than you know. Do you know you burn off a calorie by just standing still every two minutes?

7. (transitive) To use up a resource in a nonproductive manner.
   • 2019, David Gerrold, Bouncing Off the Moon:

     We burn off speed. We have come around very fast. Must burn off more speed.

   • 2022, James R. Welke, The International Football League:

     “I want to burn off some of the clock before going into the end zone.

8. (rugby) Cause to waste energy.
   • 2019 October 19, Robert Kitson, “England into World Cup semi-finals after bruising victory over Australia”, in The Guardian, London: Guardian News & Media:

     Slick use of the resulting turnover ball gave Koroibete the space to burn off Daly, only the third try England have so far conceded in this tournament.

語源

burn +‎ off, from the verb phrase.