Sonar Meaning
/ˈsoʊ.nɑːɹ/Definition, CEFR level B2, pronunciation, examples, and quiz.
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Definition
nounArtificial echolocation by use of electronic equipment, with hydrophones to locate objects underwater, using the same wave-analysis principles that radar uses.
nounA device that provides such echolocation.
Sentence Examples
Sonar uses sound waves to 'see' in the water.
Sonar is short for Sound Navigation and Ranging.
CEFR Practice Quiz
The submarine uses ____ to navigate and find targets underwater with sound waves.
CEFR Practice Quiz (Alternate)
The submarine used its advanced ____ system to navigate through the dark and deep ocean waters.
Word Origin & History
By anacronymic evolution from SONAR.
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The submarine uses ____ to navigate and find targets underwater with sound waves.
CEFR Practice Quiz (Alternate)
The submarine used its advanced ____ system to navigate through the dark and deep ocean waters.