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Definition of tidal wave noun from the Oxford Advanced Learner's Dictionary

tidal wave

noun
 
/ˈtaɪdl weɪv/
 
/ˈtaɪdl weɪv/
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  1. a very large ocean wave that is caused by a storm or an earthquake, and that destroys things when it reaches the land
    • According to one account, the explosion caused a tidal wave 65 feet high.
    • Several villages were destroyed by a huge tidal wave.
    compare tsunamiTopics The environmentc1, Geographyc1
  2. tidal wave (of something) a sudden increase in a particular feeling, activity or type of behaviour
    • a tidal wave of crime
See tidal wave in the Oxford Advanced American Dictionary
previously
adverb
 
 
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