kieselguhr

kie·sel·guhr  (kzl-gr)

n.

See diatomite.

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[German Kieselgur : Kiesel, pebble (from Middle High German kisel, from Old High German chisil) + Gur, Guhr, ferment, earthy deposit from water (from gären, to ferment, blend of Middle High German jësan, from Old High German, and Middle High German *jern, to cause to ferment, from Old High German jerian; see yes- in Indo-European roots).]

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kieselguhr [ˈkiːz^əlˌgʊə]

n

(Earth Sciences / Geological Science) an unconsolidated form of diatomite

[from German Kieselgur, from Kiesel flint, pebble + Gur loose earthy deposit]

Thesaurus

Noun

1.

kieselguhr - a light soil consisting of siliceous diatom remains and often used as a filtering material diatomaceous earth, diatomite filter - device that removes something from whatever passes through it earth, ground - the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"