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illuvial

American  
[ih-loo-vee-uhl, ih-loov-yuhl] / ɪˈlu vi əl, ɪˈluv yəl /

adjective

  1. of or relating to illuviation or illuvium.


Etymology

Origin of illuvial

1920–25; < Latin illuvi ( ēs ) mud, flood, literally, what washes or is washed in ( il- il- 1 + -luv-, combining form of lavere to wash + -iēs noun suffix) + -al 1; alluvial