ECHO SOUNDER as NOUN

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 return
   • sonar is an acronym for sound navigation ranging
   • asdic is an acronym for anti-submarine detection investigat
   Synonym(s)
   • asdic (what does asdic mean?)
   • sonar (what does sonar mean?)
   Hypernyms(s) echo sounder is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • measuring instrument (what does measuring instrument mean?)
   • measuring system (what does measuring system mean?)
   • measuring device (what does measuring device mean?)
   • navigational instrument (what does navigational instrument mean?)