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sonars
We have found lemma(root) word of sonars : sonar.
Definitions
[ˈsəʊnɑː], (Noun)
Definitions:
- a system for the detection of objects under water by emitting sound pulses and detecting or measuring their return after being reflected
(e.g: a weak sonar signal)
Phrases:
Origin
:
1940s: from so(und) na(vigation and) r(anging), on the pattern of radar
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definition by Oxford Dictionaries