Alum — unterscheidet: Alum Branch Alum Cave Branch Alum Cave Creek Alum Cave Run, ein Fluss im US Bundesstaat West Virginia Alum Creek Alum Dirt Branch, ein Fluss im US Bundesstaat Kentucky Alum Fork Alum Fork Saline River, ein Fluss im US Bundesstaat… … Deutsch Wikipedia
alum — ALUM. s. m. Espece de mineral, certain suc condensé qui se trouve dans les mines. Alum de roche. alum de plume. veines, miniere d alum. alum bruslé. eau d alum. laver un livre dans de l eau d alum … Dictionnaire de l'Académie française
Alum — Al um, n. [OE. alum, alom, OF. alum, F. alun, fr. L. alumen alum.] (Chem.) 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. [1913… … The Collaborative International Dictionary of English
Alum — Al um, v. t. To steep in, or otherwise impregnate with, a solution of alum; to treat with alum. Ure. [1913 Webster] || … The Collaborative International Dictionary of English
alum — (n.) late 14c., whitish mineral salt used as an astringent, dye, etc., from O.Fr. alum, from L. alumen alum, lit. bitter salt, cognate with Gk. aludoimos bitter and perhaps with English ALE (Cf. ale) … Etymology dictionary
alum — alum1 [al′əm] n. [ME & OFr < L alumen, alum: for IE base see ALE] 1. a double sulfate of a monovalent metal or radical (as sodium, potassium, or ammonium) with a trivalent metal (as aluminum, iron, or chromium): it is used as an astringent, as … English World dictionary
alum — (Ar., Mur.) m. Alumbre … Enciclopedia Universal
alum — ► NOUN ▪ a crystalline compound consisting of a double sulphate of aluminium and potassium, used in dyeing and tanning. ORIGIN Latin alumen … English terms dictionary
Alum — This article is about the chemical compound. For other uses, see Alum (disambiguation). Bulk alum Alum ( / … Wikipedia
alum — alum1 /al euhm/, n. Chem. 1. Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K2SO4·Al2(SO4)3·24H2O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. 2 … Universalium