Search Result for "echo sounder":
Wordnet 3.0

NOUN (1)

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;
- Example: "sonar is an acronym for sound navigation ranging"
- Example: "asdic is an acronym for antisubmarine detection investigation committee"
[syn: sonar, echo sounder, asdic]



WordNet (r) 3.0 (2006):

echo sounder
    n 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; "sonar is an acronym for sound
         navigation ranging"; "asdic is an acronym for antisubmarine
         detection investigation committee" [syn: sonar, echo
         sounder, asdic]