MEANING
A method or system using sound to detect objects, measure distance, or investigate an environment.
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Words that belong together
- sonar ping
- sonar contact
On the page
A sonar ping returned from the submerged wall.
Passive sonar detected the vessel before anyone saw it.
Related words
Word forms
- Base
- sonar
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Usage notes
Primary category: sci-fi. Forms: Usually uncountable; sonars for distinct systems. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.
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