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sonobuoy

[ son-uh-boo-e, -boi ]

noun

, Navigation.
  1. a buoy that emits a radio signal on receiving an underwater signal from a vessel.


sonobuoy

/ ˈsəʊnəˌbɔɪ /

noun

  1. a buoy equipped to detect underwater noises and transmit them by radio
“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
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Word History and Origins

Origin of sonobuoy1

First recorded in 1940–45; sono- + buoy
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Word History and Origins

Origin of sonobuoy1

from sonic + buoy
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Example Sentences

“There’s lots of things in the ocean that will make noise and be heard on a sonobuoy, but there are few things that will sound like regular banging on metal,” he said.

The sounds were detected by a sonobuoy, a floating device equipped with hydrophones to record noise underwater, and they seemed to be occurring at 30-minute intervals, according to a report in Rolling Stone.

“There’s lots of things in the ocean that will make noise and be heard on a sonobuoy, but there are few things that will sound like regular banging on metal,” Mr. Eggers said.

A total of 236 JAU-22/B impulse cartridges used to eject sonobuoy acoustic devices from aircraft, possibly P-3 Orion sub hunters, were pulled out of Ordy Pond.

A hydrophone attached to the sonobuoy by a fine wire cable is then deployed at depth.

From Forbes

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sono-son of a bitch