double flash
The term "double flash" can refer to various phenomena involving two consecutive flashes of light, depending on the context, such as nuclear explosions, road safety, and photography.
Definition
C1Nuclear Explosions
(technical, scientific)A visual event from a nuclear blast where a brief, bright flash is followed by a second, gradually brightening flash.
Example
- The double flash from the nuclear test was visible miles away.
B2Traffic Enforcement
(technical, informal)The two photographs taken by a red light camera to determine if a vehicle ran a red light.
Example
- The double flash caught the car running the red light.
B1Driving
(informal, communication)A signal using two quick flashes of high beams to communicate with other drivers.
Example
- He gave a double flash to warn of a speed trap ahead.
B2Photography
(technical)A technique or issue where a camera flash fires twice during one exposure.
Example
- The double flash created an unintended ghosting effect in the photo.
C2Engineering
(technical)A system with two separators to divide phases of a working fluid.
Similar
Terms that have similar or relatively close meanings to "double flash":
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