noun Etymology: French, from alun alum Date: 1868 a mineral that consists of a hydrous potassium aluminum sulfate and occurs in massive form or in rhombohedral crystals
ALUNITE
Meaning of ALUNITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012