Lexic.us

Definition of Alum

1. Noun. A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.

2. Noun. A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.

3. Noun. A person who has received a degree from a school (high school or college or university).

4. Noun. A double sulphate of aluminum and potassium that is used as an astringent (among other things).

Definition of Alum

1. n. A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization.

2. v. t. To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

Definition of Alum

1. Noun. (chemistry) the double sulphate of potassium and aluminium with chemical formula K₂SO₄.Al₂(SO₄)₃.24H₂O. ¹

2. 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. ¹

3. Noun. (American English) A graduate of a university or other institution. ¹

¹ Source: wiktionary.com

Definition of Alum

1. a chemical compound [n -S]

Medical Definition of Alum

1. A double sulphate formed of aluminium and some other element (especially. An alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization. Common alum is the double sulphate of aluminium and potassium. It is white, transparent, very astringent, and crystallizes easily in octahedrons. The term is extended so as to include other double sulphates similar to alum in formula. Origin: OE. Alum, alom, OF. Alum, F. Alun, fr. L. Alumen alum. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Alum

altruistic filicides altruistically altruists alts altumomab alu-equivalent family alu elements alu family alu sequence aludel

aludels alula alulae alular alulas alum (current term) alum-haematoxylin alum compounds alum rock alum root

alum shale alum stone alum stones alumane alumbloom alumen alumian alumin alumina aluminas

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