flash over
"Flash over" describes a rapid and dangerous transition in fire behavior or an unintended electrical discharge.
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Definition
C1Firefighting
(technical)A sudden and rapid ignition of all combustible materials in a space when a critical temperature is reached.
Example
- The firefighters had to evacuate quickly when the room began to flash over.
- Understanding the signs of an impending flash over is crucial for fire safety.
C1Electricity
(technical)An unintended electrical discharge over or around an insulator due to a high voltage difference.
Example
- The power outage was caused by a flash over on the high-voltage line.
- Engineers must ensure insulators are properly maintained to prevent flash over incidents.
Similar
Terms that have similar or relatively close meanings to "flash over":
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