nuée ardente

[ French ny-ey ar-dahnt ]
/ French nü eɪ arˈdɑ̃t /

noun, plural nu·ées ar·dentes [French ny-ey zar-dahnt]. /French nü eɪ zarˈdɑ̃t/. Geology.

(in a volcanic eruption) a swiftly flowing, dense cloud of hot gases, ashes, and lava fragments.

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Origin of nuée ardente

1900–05; <French: literally, burning cloud
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for nuée ardente

nuée ardente
/ (ˈnyeɪ ɑːˈdɑ̃t) /

noun

a rapidly moving turbulent incandescent cloud of gas, ash, and rock fragments flowing close to the ground after violent ejection from a volcanoSee also ignimbrite

Word Origin for nuée ardente

C20: from French, literally: burning cloud
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 nuée ardente

nuée ardente
[ nōō-ā ăr-däɴt ]

Plural nuées ardentes (nōō-āz ăr-däɴt)

A fast moving gaseous cloud of hot ashes and other material thrown out from an erupting volcano. Nuées ardentes are often incandescent.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.