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English definition of “tidal wave”

tidal wave

noun [C] uk   us  

tidal wave noun [C] (SEA)

an extremely large wave caused by movement of the earth under the sea, often caused by an earthquake (= a shaking of the earth)
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tidal wave noun [C] (LARGE NUMBER)

a sudden large number of things: a tidal wave of complaints
(Definition of tidal wave from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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