Loess in a sentence as a noun

This is generally true, but I found one counterexample in borrowing from German: loess, in geology, from German Löss.

[7] Most of the population in the area at the time lived in yaodongs, artificial caves in loess cliffs; these collapsed in great numbers, causing many casualties.

Loess definitions

noun

a fine-grained unstratified accumulation of clay and silt deposited by the wind