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diatomaceous

American  
[dahy-uh-tuh-may-shuhs] / ˌdaɪ ə təˈmeɪ ʃəs /

adjective

  1. consisting of or containing diatoms or their fossil remains.


diatomaceous British  
/ ˌdaɪətəˈmeɪʃəs /

adjective

  1. of, relating to, consisting of, or containing diatoms or their fossil remains

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of diatomaceous

1840–50; < New Latin Diatomace ( ae ) an order name ( see diatom, -aceae) + -ous


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It suggests diatomaceous earth and commercial rust remover, blended to the consistency of peanut butter.

From Seattle Times ● Sep. 29, 2022

She touted Palos Verdes Peninsula’s South Coast Botanic Garden, a former diatomaceous earth mine and landfill that was remodeled into a garden in 1961, as an example.

From Los Angeles Times ● Aug. 18, 2022

Fones Cliffs, an unusual outcropping of white diatomaceous earth, is on the east side of the river in Richmond County on the Northern Neck of Virginia.

From Washington Post ● Apr. 1, 2022

Another option is to plant pest-resistant varieties or make plants unpalatable for hungry insects with natural products such as diatomaceous earth, a talc-like powder made of the ground-up diatomic fossils.

From Salon ● Aug. 8, 2021

We made up a song about diatomaceous earth while we were driving in to the post office today, just because we thought it sounded funny.

From "Unusual Chickens for the Exceptional Poultry Farmer" by Kelly Jones

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