solifluction

so li fluc tion |ˌsäləˈfləkSHən, ˌsō -ˌsɑləˈfləkʃən | ▶noun Geology the gradual movement of wet soil or other material down a slope, esp. where frozen subsoil acts as a barrier to the percolation of water. ORIGIN early 20th cent.: from Latin solum ‘soil ’ + fluctio (n- ) ‘flowing, ’ from the verb fluere.

solifluction

solifluction |ˌsɒlɪˈflʌkʃ (ə )n, ˌsəʊlɪ -| ▶noun [ mass noun ] Geology the gradual movement of wet soil or other material down a slope, especially where frozen subsoil acts as a barrier to the percolation of water. ORIGIN early 20th cent.: from Latin solum ‘soil ’ + fluctio (n- )‘flowing ’, from the verb fluere ‘to flow ’.