alunogen

[ uh-loo-nuh-juhn ]
/ əˈlu nə dʒən /

noun

a mineral, hydrous sulfate of aluminum, Al2(SO4)3⋅18H2O, occurring as a white, fibrous crust on quarry or mine walls.

QUIZZES

DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!

It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?

Origin of alunogen

1865–70; <French alun (see alunite) + -o- + -gen

Words nearby alunogen

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020