| Library / English Dictionary |
SONAR
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
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
Example:
asdic is an acronym for antisubmarine detection investigation committee
Synonyms:
asdic; echo sounder; sonar
Classified under:
Nouns denoting man-made objects
Hypernyms ("sonar" is a kind of...):
measuring device; measuring instrument; measuring system (instrument that shows the extent or amount or quantity or degree of something)
navigational instrument (an instrument used for navigating)
Meronyms (parts of "sonar"):
pinger (a pulse generator used for echo sounding in sonar)
pulse generator (a generator of single or multiple voltage pulses; usually adjustable for pulse rate)
Holonyms ("sonar" is a part of...):
pigboat; sub; submarine; U-boat (a submersible warship usually armed with torpedoes)
