sonar
English Thesaurus
1. 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 (noun.artifact)
| hypernym | : | measuring device, measuring instrument, measuring system, |
| definition | : | instrument that shows the extent or amount or quantity or degree of something (noun.artifact) |
| hypernym | : | navigational instrument, |
| definition | : | an instrument used for navigating (noun.artifact) |
| part holonym | : | pinger, |
| definition | : | a pulse generator used for echo sounding in sonar (noun.artifact) |
| part holonym | : | pulse generator, |
| definition | : | a generator of single or multiple voltage pulses; usually adjustable for pulse rate (noun.artifact) |
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