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ash flow

American  

noun

Geology.
  1. an avalanche of volcanic ash.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“So you worry about water supply being interfered with in some way, like if there was a big ash flow into one of the reservoirs, and that could cause problems,” Wara said.

From Scientific American • Oct. 27, 2021

The garden trek ends at the edge of a volcanic ash flow, where the thick vegetation has been carved away into a blackened canal running down the side of the mountain.

From Slate • Feb. 29, 2012

We can also give practical information � telling people about ash flow or when a mudflow is coming down a river valley � that has really high stakes.

From Time Magazine Archive

The ash flow had buried a river that had contained crocodiles.

From "The Hot Zone" by Richard Preston