Definitions

1. noun

A sudden and brief return of a flame or burning material, often in a controlled environment such as a fire pit.

“The flareback from the fireplace was a minor concern, as it was quickly extinguished.”

2. noun

A brief, uncontrolled burst of flame or sparks, often occurring when operating a gas-fired appliance or engine.

“The mechanic was concerned about the flareback from the engine, which could indicate a faulty fuel line.”