Library / English Dictionary

    SONAR

    Pronunciation (US): Play  (GB): Play

     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 returnplay

    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)

    Credits


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