proximity fuse


: a fuse for a projectile that uses the principle of radar to detect the presence of a target within the projectile's effective range

Examples of proximity fuse in a Sentence

Recent Examples on the Web The missile’s 22-pound warhead is triggered using a laser proximity fuse immune to radar jamming. Sébastien Roblin, Popular Mechanics, 3 Sep. 2023 On closing with its target, a proximity fuse detonates the hulking missile’s 485-pound proximity warhead, releasing 37,000 fragments to shred everything within a forward-facing 120-degree cone. Sébastien Roblin, Popular Mechanics, 14 July 2023 And finally if the missile got too close, the system’s last line of defense would attempt to defeat its proximity fuse. David Hambling, Popular Mechanics, 28 Oct. 2020 New ammunition with proximity fuses is being developed to counter swarms of small armed boats, exploding in the air and peppering hostile, speedboat-sized ships with lethal shrapnel. Kyle Mizokami, Popular Mechanics, 19 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'proximity fuse.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of proximity fuse was in 1945

Dictionary Entries Near proximity fuse

Cite this Entry

“Proximity fuse.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

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