adamite

noun

ad·​am·​ite
ˈa-də-ˌmīt
variants or less commonly adamine
ˈa-də-ˌmēn
plural -s
: a mineral Zn2(OH)AsO4 consisting of a basic zinc arsenate (hardness 3.5, specific gravity 4.34–4.35)

Word History

Etymology

adamite, modification (influenced by -ite) of French adamine, from Gilbert-Joseph Adam †1881 French mineralogist + French -ine; adamine from French

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of adamite was in 1866

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Cite this Entry

“Adamite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adamite. Accessed 10 Jun. 2026.

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