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Meaning of pyroclastic density current | Babel Free

Noun CEFR C1

Definitions

a pyroclastic flow; a gas-rich, hot, dense, ground-hugging torrent of ash, lapilli, and volcanic blocks that results from the gravitational collapse of a volcanic eruption column, associated with explosive plinian and ultraplinian volcanic eruptions, and which produces a type of volcaniclastic deposit called an ash-flow tuff or an ignimbrite.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
See all C1 English words →

See also

pyroclastic flow pyroclastic rock pyroclastic surge pyroclimate pyrocoll pyrocollodion

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