loess (redirected from loessial)

lo·ess  (ls, ls, ls)

n.

A buff to gray windblown deposit of fine-grained, calcareous silt or clay.

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[German Löss, from German dialectal Lösch, from lösch, loose; see leu- in Indo-European roots.]

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lo·essi·al (l-s-l, ls-l, ls-) adj.

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loess [loh-iss]

Noun

a fine-grained soil, found mainly in river valleys, originally deposited by the wind [Swiss German lösch loose]

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loess  (ls, ls, ls)

A very fine grained silt or clay, thought to have formed as the result of grinding by glaciers and to have been deposited by the wind. Most loess is believed to have originated during the Pleistocene Epoch from areas of land covered by glaciers and from desert surfaces.

Thesaurus

Noun

1.

loess - a fine-grained unstratified accumulation of clay and silt deposited by the wind dirt, soil - the part of the earth's surface consisting of humus and disintegrated rock