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WordReference Random House Unabridged Dictionary of American English © 2024kie•sel•guhr (kē′zəl gŏŏr′),USA pronunciation n. - GeologySee diatomaceous earth.
- German, equivalent. to Kiesel flint + Gu(h)r earthy deposit
- 1870–75
Collins Concise English Dictionary © HarperCollins Publishers:: kieselguhr /ˈkiːzəlˌɡʊə/ n - an unconsolidated form of diatomite
Etymology: 19th Century: from German Kieselgur, from Kiesel flint, pebble + Gur loose earthy deposit WordReference Random House Unabridged Dictionary of American English © 2024di′atoma′ceous earth′, a fine siliceous earth composed chiefly of the cell walls of diatoms: used in filtration, as an abrasive, etc.Also called di•at•o•mite (dī at′ə mīt′),USA pronunciation kieselguhr.
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