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thunder

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thunder

Main Entry:: ¹thun·der
Pronunciation:: \ˈthən-dər\
Function:: noun
Etymology:: Middle English thoner, thunder, from Old English thunor; akin to Old High German thonar thunder, Latin tonare to thunder
Date:: before 12th century

1 : the sound that follows a flash of lightning and is caused by sudden expansion of the air in the path of the electrical discharge 2 : a loud utterance or threat 3 : bang , rumble <the thunder of big guns>

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