A past attendee or graduate (of either gender) of a college, university or other educational institution.
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.
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).
To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.
A person who is formally enrolled at a school, a college or university, or another educational institution.
A person who is enrolled at a college or university (as contrasted with a pupil or schoolchild attending a primary or secondary school).
A person who studies or learns about a particular subject.