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backflash

noun

Definition of backflash

plural -es
1 :flashback
2 :the act or an instance of backflashing
3 :a groove formed around the outer portion of the flash to receive the metal squeezed through the flash in sinking an upper die — called also gutter

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Origin and Etymology of backflash

3back + flash

2

backflash

intransitive verb \ " \

Definition of backflash

1 of a gas :to flash back and burn at a point where combustion is not intended
2 of a literary or dramatic work :to introduce a flashback into the narrative
  • the script backflashes to a day in his life 10 years before

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First Known Use of backflash

circa 1909

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