A sonar device used to detect submerged submarines that, when activated, relays information by radio. It may be active directional or nondirectional, or it may be passive directional or nondirectional.

Military dictionary. 2000.

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  • sonobuoy — [sän′ō boi΄, sän′ōbo͞o΄ē; sō′nōboi΄, sō′nōbo͞o΄ē] n. [< L sonus, SOUND1 + BUOY] a buoy that amplifies sound signals picked up under water and transmits them by radio …   English World dictionary

  • Sonobuoy — A sonobuoy (a portmanteau of sonar and buoy) is a relatively small (typically 4⅞ inches, or 124 mm, in diameter and 36 inches, or 910 mm, long) expendable sonar system that is dropped/ejected from aircraft or ships conducting anti submarine… …   Wikipedia

  • sonobuoy — hidroakustinis plūduras statusas T sritis Gynyba apibrėžtis Plūduras, kuris pagauna garsus, sklindančius iš antvandeninio ar povandeninio laivo, kai šis siunčia informaciją radijo bangomis. atitikmenys: angl. radio sonobuoy; sonobuoy pranc. bouée …   NATO terminų aiškinamasis žodynas

  • sonobuoy — noun Date: 1945 a buoy equipped for detecting underwater sounds and transmitting them by radio …   New Collegiate Dictionary

  • sonobuoy — /son euh booh e, boy /, n. Navig. a buoy that emits a radio signal on receiving an underwater signal from a vessel. [1940 45; SONO + BUOY] * * * …   Universalium

  • sonobuoy — noun A buoy that sends a radio signal when it detects the sound of underwater objects (such as submarines) …   Wiktionary

  • sonobuoy — son·o·buoy || səʊnÉ™bɔɪ n. (Navigation) buoy that sends out a radio signal when it receivs an underwater signal or noises from a ship or boat …   English contemporary dictionary

  • sonobuoy — noun a buoy detecting underwater sounds and transmitting them by radio …   English new terms dictionary

  • sonobuoy — son·o·buoy …   English syllables

  • sonobuoy — /ˈsoʊnəbɔɪ/ (say sohnuhboy) noun a sonar device used to detect submerged submarines …   Australian English dictionary