so·li·fluc·tion (s  l -fl k shn, s l-)n. The slow, downhill movement of soil or other material in areas typically underlain by frozen ground. [Latin solum, soil + Latin fl  cti, flctin-, a flowing (from flctus, past participle of fluere, to flow; see bhleu- in Indo-European roots).] |
solifluction, solifluxion [ˈsɒlɪˌflʌkʃən ˈsəʊlɪ-]
n
(Earth Sciences / Physical Geography) slow downhill movement of soil, saturated with meltwater, over a permanently frozen subsoil in tundra regions
[from Latin solum soil + fluctio act of flowing]
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