proximity fuse

noun

an electronically triggered device designed to detonate an explosive charge in a missile, etc, at a predetermined distance from the target

Discover More

Its proximity fuse detonated in the exhaust of a Connie boat, blowing the tube out of position.

"Chances are the intercept is working on a proximity fuse," Crag reasoned.

But he saw the burst of flame, bright as the sun itself, which was the explosion of a proximity fuse bomb.

Together, they should make up a screen no proximity fuse bomb could pierce without exploding.

Stick a proximity fuse on it, and a time fuse, too, in case we missed.

Browse