Definitions from Wiktionary (alum)
▸ noun: An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄·Al₂(SO₄)₃·24H₂O).
▸ noun: (inorganic chemistry) Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations.
▸ verb: (transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
▸ noun: (shortening, Canada, US) A past attendee or graduate (of any gender) of a college, university or other educational institution.
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▸ noun: An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄·Al₂(SO₄)₃·24H₂O).
▸ noun: (inorganic chemistry) Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations.
▸ verb: (transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
▸ noun: (shortening, Canada, US) A past attendee or graduate (of any gender) of a college, university or other educational institution.
Similar:
potash alum,
grad,
graduate,
alumna,
alumnus,
ammonia alum,
Ammonium alum,
Potassium alum,
alumn,
sodium alum,
more...
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▸ Word origin
▸ Words similar to Alum
▸ Usage examples for Alum
▸ Idioms related to Alum
▸ Wikipedia articles (New!)
▸ Popular adjectives describing Alum
▸ Words that often appear near Alum
▸ Rhymes of Alum
▸ Invented words related to Alum