Associations to the word «Alum»

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). [from 14th c.]

ALUM, noun. (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. [from 17th c.]

ALUM, verb. (transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

ALUM, noun. (US) A graduate of a university or other institution.

ALUM ROCK, noun. The mineral alunite.

ALUM STONE, noun. (mineral) A subsulphate of alumina and potash; alunite.

ALUM STONES, noun. Plural of alum stone

ALUM, noun. A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.

ALUM, noun. A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.

ALUM, noun. A person who has received a degree from a school (high school or college or university).

ALUM, noun. A double sulphate of aluminum and potassium that is used as an astringent (among other things).