'sonar' definitions:
Definition of 'sonar'
From: WordNet
noun
A measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee" [syn: sonar, echo sounder, asdic]
Synonyms of 'sonar'
From: Moby Thesaurus
- astronavigation,
- bathometry,
- bathymetry,
- celestial navigation,
- chronometer,
- coastwise navigation,
- consolan,
- dead reckoning,
- depth sounding,
- echo sounding,
- echolocation,
- fathomage,
- fathoming,
- fix,
- line of position,
- loran,
- oceanography,
- pilotage,
- plane sailing,
- point-to-point navigation,
- radar,
- radio beacon,
- radio navigation,
- sextant,
- shoran,
- sofar,
- sounding,
- soundings,
- tables,
- water