diatomaceous earth
noun
: a light friable siliceous material derived chiefly from diatom remains and used especially as a filter
Examples of diatomaceous earth in a Sentence
Recent Examples on the Web
Usually a good sweep out after nesting season and a light dusting of food-grade diatomaceous earth to take care of pests should be sufficient.
—
Joan Morris, The Mercury News, 23 Sep. 2024
When ground bees come into contact with diatomaceous earth, the microscopic, sharp particles within the powder abrade their exoskeletons, leading to dehydration and death.
—Nafeesah Allen, Better Homes & Gardens, 22 Sep. 2024
Try boric acid: Like diatomaceous earth, boric acid can be sprinkled around to kill silverfish instantly.
—Sherri Gordon, Health, 7 Sep. 2024
Use diatomaceous earth: This powdery substance causes insects to lose moisture.
—Sherri Gordon, Health, 7 Sep. 2024
See all Example Sentences for diatomaceous earth 
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Joan Morris, The Mercury News, 23 Sep. 2024
When ground bees come into contact with diatomaceous earth, the microscopic, sharp particles within the powder abrade their exoskeletons, leading to dehydration and death.
—Nafeesah Allen, Better Homes & Gardens, 22 Sep. 2024
Try boric acid: Like diatomaceous earth, boric acid can be sprinkled around to kill silverfish instantly.
—Sherri Gordon, Health, 7 Sep. 2024
Use diatomaceous earth: This powdery substance causes insects to lose moisture.
—Sherri Gordon, Health, 7 Sep. 2024
See all Example Sentences for diatomaceous earth
Dictionary Entries Near diatomaceous earth
Cite this Entry
“Diatomaceous earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diatomaceous%20earth. Accessed 8 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share