Definition of nuée ardente in English:

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nuée ardente

Pronunciation: /ˌnjʊeɪ ɑːˈdɒ̃t/

noun

Geology
An incandescent cloud of gas, ash, and lava fragments ejected from a volcano, typically as part of a pyroclastic flow.
Example sentences
  • Sometimes hot ash emerging from a volcanic vent rushes in a hot cloud called a nuée ardente down the side of the volcano.

Origin

French, literally 'burning cloud'.

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