strobe
n. countable B2 Upper Intermediate US //ˈstɹoʊb// UK //stɹˈəʊb// strobe
n. a light that flashes very quickly and brightly. It is often used to make people feel dizzy or to signal an emergency.
n. a device that emits a series of very bright, rapid flashes of light. Often used in emergency signaling or for creating visual effects in photography and music.
The strobe light on the boat helps other ships see us.
The photographer used a strobe to freeze the motion of the water droplets in the air.
Emergency vehicles are equipped with a high-intensity strobe to ensure maximum visibility in low-light conditions, even when the driver is several hundred meters away.
Shortening of stroboscope.