Word History
Etymology
infusorial "relating to or containing infusorians," from New Latin Infusoria "group of minute organisms found in infusions of decaying matter" + -al entry 1 — more at infusorian
First Known Use
1868, in the meaning defined above
Dictionary Entries Near infusorial earth
Cite this Entry
“Infusorial earth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infusorial%20earth. Accessed 16 Apr. 2024.
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