chalcanth

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• chalcanthite — noun hydrated blue crystalline form of copper sulfate • Syn: ↑blue vitriol, ↑blue copperas, ↑blue stone • Hypernyms: ↑copper sulfate, ↑copper sulphate, ↑cupric sulfate, ↑cupric sulphate …   Useful english dictionary

• Chalcanthum — In alchemy, chalcanthum, also called chalcanth or calcanthum, was a term used for the compound blue vitriol (CuSO4), and the ink made from it. The term was also applied to red vitriol (a native sulfate of cobalt), and to green vitriol (ferrous… …   Wikipedia

• chalcanthite — /kal kan thuyt/, n. Mineral. See blue vitriol. [1855 60; < L chalcanth(um) ( < Gk chálkanthon blue vitriol, lit., flower of copper, equiv. to chalk(ós) copper + ánth(os) flower + on neut. suffix) + ITE1] * * * ▪ mineral       a widespread sulfate …   Universalium

• Theriak — The|ri|ạk [griech. (antídoton) the̅riaké̄ = Mittel gegen Tiere (the̅ríon = wildes (giftiges) Tier)], der; s: im Mittelalter gegen Vergiftungen u. Seuchen viel benutztes Mittel aus 60–80 vorwiegend pflanzlichen Bestandteilen. * * * Theriak  … …   Universal-Lexikon

• chalcanthite — /kælˈkænθaɪt/ (say kal kanthuyt) noun → blue vitriol. {obsolete chalcanth sulphate of copper + ite1} …  

• col|co|thar — «KOL kuh thuhr», noun. a brownish red oxide of iron which remains after heating ferrous sulfate, used as a polishing agent and as coloring matter; jewelers rouge. ╂[< Medieval Latin colcotar < Arabic qolqotār copperas, perhaps < Greek… …   Useful english dictionary