proximity fuze

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proximity fuze

n.
An electronic device for detonating a warhead as it approaches a target, used in antiaircraft shells. Also called VT fuze.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

proxim′ity fuze`


n.
a device for detonating a charge, as in a projectile, within a predesignated radius of a target.
[1940–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

proximity fuze

A fuze wherein primary initiation occurs by remotely sensing the presence, distance, and/or direction of a target or its associated environment by means of a signal generated by the fuze or emitted by the target, or by detecting a disturbance of a natural field surrounding the target.
Dictionary of Military and Associated Terms. US Department of Defense 2005.