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backflash

noun
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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

First Known Use of backflash

circa 1909

in the meaning defined at sense 1

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