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thunderstorm
[ thuhn-der-stawrm ]
/ ˈθʌn dərˌstɔrm /
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noun
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Also called electrical storm.
Words nearby thunderstorm
thunder sheet, thundershower, thundersquall, thunderstick, thunderstone, thunderstorm, thunderstrike, thunderstroke, thunderstruck, thundery, Thunen
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thunderstorm in a sentence
British Dictionary definitions for thunderstorm
thunderstorm
/ (ˈθʌndəˌstɔːm) /
noun
a storm caused by strong rising air currents and characterized by thunder and lightning and usually heavy rain or hail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for thunderstorm
thunderstorm
[ thŭn′dər-stôrm′ ]
A storm of heavy rain accompanied by lightning, thunder, wind, and sometimes hail. Thunderstorms occur when moist air near the ground becomes heated, especially in the summer, and rises, forming cumulonimbus clouds that produce precipitation. Electrical charges accumulate at the bases of the clouds until lightning is discharged. Air in the path of the lightning expands as a result of being heated, causing thunder. Thunderstorms can also be caused by temperature changes triggered by volcanic eruptions and forest fires, and they occur with much greater frequency at the equatorial regions than in polar regions.
The American Heritage® Science Dictionary
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