Definitions
A system that uses sound waves to detect objects or measure distance underwater.
Word origin
By anacronymic evolution from SONAR.
Used in a sentence
“They were able to detect the sunken wreck using sonar.”
“They finally bought a new sonar to replace the 40-year-old unit that sometimes didn't work right.”
“Submarines and bats both use sonar to navigate.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Sound detection”5 letters
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