(geology) Loose powder snow rapidly descending a mountainside.
powder avalanche
| Sci-Tech Dictionary: powder avalanche |
(¦pau̇d·ər ¦av·ə′lanch)
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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