groutite

noun

grout·​ite
ˈgrau̇tˌīt
plural -s
: a mineral HMnO2 consisting of manganese, hydrogen, and oxygen, polymorphous with manganite, and belonging to the diaspore group

Word History

Etymology

Frank F. Grout †1958 American geologist and mineralogist + English -ite

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Dictionary Entries Near groutite

Cite this Entry

“Groutite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groutite. Accessed 4 Mar. 2024.

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