downburst

[ doun-burst ]
/ ˈdaʊnˌbɜrst /

noun

a strong downward current of air from a cumulonimbus cloud, often associated with intense thunderstorms.

QUIZZES

IS YOUR VOCABULARY AS STRONG AS A HIGH SCHOOL STUDENT? TRY THIS QUIZ TO SEE!

It may seem like fun and games but this quiz that uses vocab from popular stories will determine how much you know.
Question 1 of 10
disgruntle

Origin of downburst

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for downburst

downburst
/ (ˈdaʊnˌbɜːst) /

noun

a very high-speed downward movement of turbulent air in a limited area for a short time. Near the ground it spreads out from its centre with high horizontal velocitiesAlso called: microburst
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 downburst

downburst
[ dounbûrst′ ]

An extremely powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity. Downbursts can produce effects that resemble those brought about by tornadoes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.