English noun: echo sounder | |||
1. | echo sounder (artifact) 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 | ||
Samples | Sonar is an acronym for sound navigation ranging. Asdic is an acronym for antisubmarine detection investigation committee. | ||
Synonyms | asdic, sonar | ||
Broader (hypernym) | measuring device, measuring instrument, measuring system, navigational instrument | ||
Part holonym | pinger, pulse generator | ||
Part meronym | pigboat, sub, submarine, U-boat | ||