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electronic countermeasures

plural noun
1.
the use of electronic technology to jam and deceive enemy radars, especially those used for air defense and interception.
Abbreviation: ECM.
Origin of electronic countermeasures
1965-1970
1965-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for electronic countermeasures

electronic countermeasures

plural noun
1.
(military) (in electronic warfare) actions intended to interfere with an enemy's use of electromagnetic radiation equipment
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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14
18
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