ping·er (p ng  r)n. A device used underwater to produce pulses of sound, as for an echo sounder. |
pinger [ˈpɪŋə]
n
a device that makes a pinging sound, esp one that can be preset to ring at a particular time
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | 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 asdic, echo sounder, sonar - 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" |
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