Meaning & Definition of word "Sonar"
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Sonar
/ˈsoʊ.nɑːr/
noun:
- 1. A system for the detection of objects underwater by emitting sound waves and measuring their reflections.
- Example: The submarine used sonar to locate the shipwreck at the bottom of the ocean.
- 2. The technique of using sound waves to measure distances underwater.
- Example: Scientists employed sonar technology to map the seafloor and study marine ecosystems.
- 3. An acronym for Sound Navigation and Ranging.
- Example: The navy relies on sonar for navigation and detecting enemy submarines.
Etymology
Acronym for Sound Navigation and Ranging.
Common Phrases and Expressions
sonar technology:
Technology that utilizes sonar for navigation or detection.
active sonar:
A type of sonar that transmits sound and listens for echoes.
passive sonar:
A type of sonar that only listens for sounds without sending any signals.
Related Words
ultrasound:
Sound waves with a frequency higher than the upper limit of human hearing, used in sonar.
echolocation:
The ability of certain animals to locate objects by reflected sound.
Slang Meanings of sonar
Meaning: To be fully aware of one's surroundings, akin to using sonar.
Example Sentence: He’s got sonar for detecting trouble before it happens.
Meaning: Figurative use for understanding complex situations, similar to navigating through sound waves.
Example Sentence: She has great sonar when it comes to reading people.