Last Updated
：2025/11/20
pyroclastic flow
IPA(Pronunciation)
Noun
countable
uncountable
Japanese Meaning
火砕流：火山噴火時に、火山灰、塵、岩石、その他の破片が混ざり合い、高速で噴火口の斜面を下る濃厚な流れ
（ plural ）
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(volcanology) A dense flow of volcanic ash, dust, rocks and debris that cascades at high speed down the slope of a volcano during an eruption.
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pyroclastic flow
The scientists watched in horror as the pyroclastic flow thundered down the volcano's flank, obliterating everything in its path.
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The scientists watched in horror as the pyroclastic flow thundered down the volcano's flank, obliterating everything in its path.
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