plural -s
: a mineral consisting of a white fibrous aluminum sulfate Al2(SO4)3·18H2O frequently found on the walls of mines and quarries

called also feather alum, hair salt

Word History


French alunogène, from alun + -gène -gen

First Known Use

1834, in the meaning defined above

Time Traveler
The first known use of alunogen was in 1834

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Dictionary Entries Near alunogen

Cite this Entry

“Alunogen.” Dictionary, Merriam-Webster, Accessed 12 Jul. 2024.

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