-
- To save this word, you'll need to log in.
fuller's earth
noun
: an earthy substance that consists chiefly of clay mineral but lacks plasticity and that is used as an adsorbent, a filter medium, and a carrier for catalysts
Examples of fuller's earth in a Sentence
Recent Examples on the Web
Pointing to a section of the north wall overlooking the river, Sharma said that workers had recently applied the clay mixture known as fuller's earth, traditionally used as a bleaching agent to absorb oil and grease from sheep's wool.
—Shashank Bengali, latimes.com, 22 May 2018
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
Etymology
fuller entry 1; from its earlier use as fulling agent
First Known Use
14th century, in the meaning defined above
Time Traveler
The first known use of fuller's earth was
in the 14th century
Dictionary Entries Near fuller's earth
Cite this Entry
“Fuller's earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fuller%27s%20earth. Accessed 29 Nov. 2024.
Kids Definition
fuller's earth
noun
full·er's earth
ˈfu̇l-ərz-
: an earthy substance used for filtering and as an absorbent
More from Merriam-Webster on fuller's earth
Britannica.com: Encyclopedia article about fuller's earth
Love words? Need even more definitions?
Merriam-Webster unabridged
Share