kieselguhr

noun

kie·​sel·​guhr ˈkē-zəl-ˌgu̇r How to pronounce kieselguhr (audio)
: loose or porous diatomite

Word History

Etymology

German Kieselgur

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of kieselguhr was in 1875

Dictionary Entries Near kieselguhr

Cite this Entry

“Kieselguhr.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kieselguhr. Accessed 25 May. 2024.

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