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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.

See Examples For:

Hezbollah’s use of fiber-optic tethered FPVs is particularly concerning as they are impervious to existing electronic countermeasures.

From The Wall Street Journal May 1, 2026

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

It can also be disrupted by other sources, such as electromagnetic noise or human-generated signals – an indication the Navy could develop electronic countermeasures to the Chinese detection system.

From Washington Times Aug. 16, 2023

Makeshift workshops experiment with 3-D printed materials, and Ukrainian coders have made workarounds for electronic countermeasures the Russians use to track radio signals.

From New York Times Aug. 10, 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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