gum·​mite ˈgə-ˌmīt How to pronounce gummite (audio)
: a yellow to reddish-brown mixture of hydrous oxides of uranium, thorium, and lead

Word History

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of gummite was in 1868

Dictionary Entries Near gummite

Cite this Entry

“Gummite.” Dictionary, Merriam-Webster, Accessed 5 Dec. 2023.

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