Thunder
Thunder is the sound caused by lightning. Depending upon the distance from and nature of the lightning, it can range from a long, low rumble to a sudden, loud crack. The sudden increase in temperature and hence pressure caused by the lightning produces rapid expansion of the air in the path of a lightning bolt. In turn, this expansion of air creates a sonic shock wave, often referred to as a "thunderclap" or "peal of thunder". The scientific study of thunder is known as brontology and the irrational fear (phobia) of thunder is called brontophobia.
Read Full WikiDEFINITIONS
- nounThe loud rumbling, cracking, or crashing sound caused by expansion of rapidly heated air around a lightning bolt.
- nounA deep, rumbling noise resembling thunder.
- verbTo produce thunder; to sound, rattle, or roar, as a discharge of atmospheric electricity; often used impersonally.
- verbTo make a noise like thunder.
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