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Definitions

sonar

[soh-nahr] / ˈsoʊ nɑr /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It can contain a sonar array that detects passing vessels, helping to monitor chokepoints or port entrances.

From The Wall Street Journal • Apr. 9, 2026

"We watched them, we were able to track them, we dropped sonar buoys to demonstrate to them that we were monitoring every hour of their operation."

From BBC • Apr. 9, 2026

The scientists used high resolution sonar to produce a detailed map of the seafloor.

From Science Daily • Feb. 23, 2026

A sonobuoy is a combination of the words sonar and buoy and is an acoustic sensor used to detect underwater objects such as submarines.

From BBC • Nov. 23, 2025

The term sonar is short for “sound navigation and ranging.”

From "Shipwrecked!" by Martin W. Sandler




Vocabulary lists containing sonar