sonar
noun/ˈsoʊnɑr/
Frequency rank: #9,585 most common English word
Meaning
A system that uses sound waves to detect and locate objects underwater.

Example sentence
The submarine used sonar to detect enemy ships hiding beneath the surface.
Synonyms & related words
Practice this word in the quiz
More words in ranks 9,501–9,600
- sclerosisA pathological hardening of tissue in the body, especially from overgrowth of fibrous tissue.
- selflessCaring more about others' needs than your own; unselfish.
- serenitythe state of being calm, peaceful, and untroubled.
- shrugTo raise your shoulders to show you do not know or do not care.
- sightingan instance of seeing or observing something, especially something rare or unexpected.
- stabilizationthe process of making something stable or steady
- starcha white carbohydrate found in foods like potatoes and rice, also used to stiffen fabric.
- stonycovered with or full of stones; hard and showing no emotion.
- subtlyIn a way that is so slight or indirect that it is not immediately obvious.
- surfera person who rides ocean waves on a surfboard as a sport or hobby.