The definition of thunder is a loud rumbling sound that follows a flash of lightning, and is caused by the heating of air in an electrical discharge.(noun)
An example of thunder is the sound that happens after a strike of lightning during an electrical storm.
See thunder in Webster's New World College Dictionary
Origin: ME thuner, thunder (with unhistoric -d-) < OE thunor, akin to Ger donner < IE base *(s)ten-, loud rustling, deep noise > ON Thorr, Thor, Gr stenein, to moan, L tonare, to thunder
See thunder in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old English thunor; see (s)tenə- in Indo-European roots.
See thunder in Ologies
1. an instrument for recording thunderstorms.
2. the record thus produced. Also called brontometer.
Rare. a treatise on thunder.
an abnormal fear of thunder and thunderstorms. Also tonitrophobia.
thundering; the sound of thunder.
a form of divination involving the interpretation of an omen communicated by thunder.
a form of divination involving the observation of thunder.
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