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solifluction

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so⋅li⋅fluc⋅tion

[soh-luh-fluhk-shuhn, sol-uh-]
–noun Geology.
creep (def. 16a).

Origin:
1915–20; < L sol(um) soil + -i- -i- + fluctiōn- a flowing (s. of fluctiō), equiv. to fluct(us) (see fluctuate ) + -iōn- -ion
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Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To solifluction
so·li·fluc·tion   (sō'lə-flŭk'shən, sŏl'ə-)   
n.  The slow, downhill movement of soil or other material in areas typically underlain by frozen ground.

[Latin solum, soil + Latin flūctiō, flūctiōn-, a flowing (from flūctus, past participle of fluere, to flow; see bhleu- in Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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