Alum

nounverified·updated May 18, 2026

a double sulphate of aluminum and potassium that is used as an astringent (among other things)

polysemous

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

synonym
alumnusammonia alumammonium alumpotassium alum
plural
Alums
possessive
Alum's
pluralpossessive
Alums'