Associations to the word «Sonar»

Wiktionary

SONAR, noun. (nautical) echolocation
SONAR, noun. (nautical) A device that uses hydrophones (in the same manner as radar) to locate objects underwater.
SONAR, noun. Abbreviation of sound navigation and ranging.

Dictionary definition

SONAR, 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; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee".

Wise words

The most important things are the hardest things to say. They are the things you get ashamed of because words diminish your feelings - words shrink things that seem timeless when they are in your head to no more than living size when they are brought out.
Stephen King