active sonar

noun

A type of sonar that uses sound waves generated by the sonar equipment, as contrasted with a passive type that uses only sound waves originating from elsewhere.

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Meanings

nounactive sonar (countable and uncountable, plural active sonars)

plural active sonars

  1. countableuncountableA type of sonar that uses sound waves generated by the sonar equipment, as contrasted with a passive type that uses only sound waves originating from elsewhere.
Cite this entry
APA

active sonar. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/active%20sonar

MLA

“active sonar.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/active%20sonar. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “active sonar,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/active%20sonar.

Source: active sonar on Wiktionary, CC BY-SA 4.0.