proximity fuse


Definition of 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

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, "The USS Fitzgerald Is Built to Take Abuse," 19 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'proximity fuse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of proximity fuse

1945, in the meaning defined above

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Last Updated

24 Nov 2018

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The first known use of proximity fuse was in 1945

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