sonar Definition
a system for detecting objects under water and for measuring the water's depth by emitting sound pulses and detecting or measuring their return after being reflected.
Using sonar: Examples
Take a moment to familiarize yourself with how "sonar" can be used in various situations through the following examples!
Example
The submarine uses sonar to detect other vessels.
Example
The sonar showed that the fish were at a depth of 50 meters.
Example
The ship's sonar detected the presence of a large underwater object.
sonar Synonyms and Antonyms
Synonyms for sonar
- echolocation
- radar
- echo sounding
Phrases with sonar
Example
Active sonar is used by submarines to locate other vessels.
Example
Passive sonar is used by ships to detect submarines.
Example
The sonar dome was damaged during the collision with the other vessel.
Origins of sonar
an acronym for 'sound navigation and ranging'
Summary: sonar in Brief
The term 'sonar' [ˈsəʊnɑː(r)] refers to a system for detecting underwater objects and measuring water depth using sound pulses. It is used by submarines and ships, and can be active or passive. Examples include 'The sonar showed that the fish were at a depth of 50 meters.' and 'The ship's sonar detected the presence of a large underwater object.'