SONAR
Scrabble letter values: S1O1N1A1R1 = 5
Definition
- noun 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. — synonyms: echo_sounder, asdic
Examples
- “sonar is an acronym for sound navigation ranging”
- “asdic is an acronym for antisubmarine detection investigation committee”