sonar
nomattesté dans les dialogues
- Royaume-Uni//ˈsəʊ.nɑː//
- États-Unis//ˈsoʊ.nɑːɹ//
Artificial echolocation by use of electronic equipment, with hydrophones to locate objects underwater, using the same wave-analysis principles that radar uses.
nom
- 1
Artificial echolocation by use of electronic equipment, with hydrophones to locate objects underwater, using the same wave-analysis principles that radar uses.
They were able to detect the sunken wreck using sonar.
- 2
A device that provides such echolocation.
They finally bought a new sonar to replace the 40-year-old unit that sometimes didn't work right.
- 3
Any echolocation.
Submarines and bats both use sonar to navigate.
Étymologie
By anacronymic evolution from SONAR.
Formes
- pluriel
- sonars
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