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English definition of “thunder”


noun     /ˈθʌn.dər/ US  /-dɚ/
B1 [U] the sudden loud noise that comes from the sky especially during a storm : a clap of thunder thunder and lightning Stormy weatherWind and winds [S] a continuous loud noise : I couldn't hear what he was saying over the thunder of the waterfall .Sound and its properties
(Definition of thunder noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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