← Back to search

Meaning of potash alum | Babel Free

Noun CEFR B2

Definitions

alum, hydrated potassium aluminium sulphate, formula K₂SO₄.Al₂(SO₄)₃.24H₂O

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

potash bentonite potash blue potash kettle potash lye potash of sulfur potash of sulphur