alunite
Definitions
A gray whitish, water-soluble mineral, potassium aluminium sulphate; the natural source of alum, KAl₃(SO₄)₂(OH)₆.
Equivalents
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.
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