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electronic countermeasures

American  

plural noun

  1. the use of electronic technology to jam and deceive enemy radars, especially those used for air defense and interception. ECM


electronic countermeasures British  

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

Etymology

Origin of electronic countermeasures

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ukraine’s air defense, layered over distance and altitude, includes a wide range of kinetic and electronic countermeasures.

From The Wall Street Journal • Nov. 5, 2025

Toggling between the high tech and low tech as I explained earlier is using electronic countermeasures to shut down the drones.

From Salon • Apr. 17, 2024

Soldiers and civilian volunteers make these in garage workshops, experimenting and inventing with 3-D printed materials, explosives and custom-built software to try to avoid Russian electronic countermeasures.

From New York Times • May 8, 2023

But he warned electronic countermeasures were becoming increasingly effective.

From BBC • Jul. 7, 2022

Zolan, a member of our group is an expert in electronic countermeasures, counter-countermeasures, and so on.

From The Universe — or Nothing by Moldeven, Meyer

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