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Antonyms for sonar


Grammar : Noun
Spell : soh-nahr
Phonetic Transcription : ˈsoʊ nɑr



Definition of sonar

Origin :
  • apparatus for detection underwater, 1946, from first letters of "sound navigation ranging," on pattern of radar.
  • As in radar : noun radio detecting and ranging
  • As in finder : noun a locating device
Example sentences :
  • The sonar equipment showed what kind of rock it was—iron and basalt.
  • Extract from : « The Minus Woman » by Russell Robert Winterbotham
  • But what good would it do anyone to stick a sonar device on an island like this?
  • Extract from : « The Wailing Octopus » by Harold Leland Goodwin
  • For instance, there must have been a sonar unit near where we swam at St. Thomas.
  • Extract from : « The Wailing Octopus » by Harold Leland Goodwin
  • The boys were familiar with sonar because of the Spindrift work on the Submobile.
  • Extract from : « The Wailing Octopus » by Harold Leland Goodwin
  • He adjusted the sonar pickups, turned the amplifier to maximum, and listened intently.
  • Extract from : « Way of a Rebel » by Walter M. Miller
  • It was given to drink jardar magn svalkaldr sr and Sonar dreyri.
  • Extract from : « Teutonic Mythology, Vol. 1 of 3 » by Viktor Rydberg, Ph.D.
  • He listened for code on the sonar equipment, but heard only the weird and nameless sea-sounds.
  • Extract from : « Way of a Rebel » by Walter M. Miller
  • Thus the sonar waves would appear to be striking no obstacle—and no echo would return to the sonarscopes on the search craft!
  • Extract from : « Tom Swift and the Electronic Hydrolung » by Victor Appleton
  • An invisible sub—one that sonar pulses would seem to pass right through, as if nothing were there!
  • Extract from : « Tom Swift and the Electronic Hydrolung » by Victor Appleton
  • It would consist of attaching hundreds of mikes and speakers all over the hull to pick up and transmit the sonar pulses.
  • Extract from : « Tom Swift and the Electronic Hydrolung » by Victor Appleton

Synonyms for sonar

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019