backflash

English

Etymology

From back +‎ flash.

Noun

backflash (plural backflashes)

  1. The hazardous situation where the flame propagates backward down the hose of an oxyfuel welding and cutting system.
  2. Synonym of flashback (“dramatic device”).
    • 2004, David Mitchell, Cloud Atlas, London: Sceptre (Hodder and Stoughton), →ISBN:
      As an experienced editor I disapprove of backflashes, foreshadowings and tricksy devices […]

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