electronic warfare

war employing the use of electromagnetic radiation and the disrupting or disabling of the electronic capability of the enemy

Electronic warfare (EW) is the use of the electromagnetic spectrum to effectively deny the use of this medium by an adversary, while optimizing its use by friendly forces. Electronic warfare has three main components: electronic support, electronic attack, and electronic protection.
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Noun
1. military action involving the use of electromagnetic energy to determine or exploit or reduce or prevent hostile use of the electromagnetic spectrum
(synonym) EW
(hypernym) military action, action
(hyponym) electronic countermeasures, ECM
(classification) military, armed forces, armed services, military machine, war machine

Any military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy. The three major subdivisions within electronic warfare are: electronic attack, electronic protection, and electronic warfare support. [After JP1]

Military action to exploit the electromagnetic spectrum encompassing: the search for, interception and identification of electromagnetic emissions, the employment of electromagnetic energy, including directed energy, to reduce or prevent nhostile use of the electromagnetic spectrum, and actions to ensure its effective use by friendly forces. See also electronic support measures; electronic counter-measures; electronic protective measures. 9/1/96

Action militaire destinée à exploiter le spectre électromagnétique, qui englobe la recherche, l'interception et l'identification des émissions électromagnétiques, l'emploi de l'énergie électromagnétique, y compris l'énergie dirigée, pour diminuer ou prévenir l'emploi par l'ennemi du spectre élecromagnétique, et mesure pour s'assurer de son emploi efficace par les forces amies. Voir aussi mesures de soutien électronique; contre-mesures électroniques; mesures de protection électronique. 9/1/96