cumulonimbus Hear it!

cumulonimbus definition

cu·mu·lo·nim·bus (kyo̵̅o̅′myə lō′nim′bəs)

noun

the type of dense cloud that develops vertically through all cloud levels, consisting of water droplets, ice crystals, and sometimes hail, and associated with thunder, lightning, and heavy showers

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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