“chalcanthum”的英文意思_释义_用法

单词

chalcanthum

释义

† ˈchalcanth, chalˈcanthum Obs.
Also c(h)alcanthus, calcanth.
[a. F. calcante (Cotgr.), and L. c(h)alcanthum, -us, a. Gr. χάλκανθον, χάλκανθος ‘a solution of blue vitriol used for ink and blacking’, f. χαλκός copper + ἄνθος a flower.]
An old name for blue vitriol (sulphate of copper), and for a kind of ink made therefrom; sometimes also applied to green vitriol (sulphate of iron).
1678Phillips, Calcanth, a Chymical word, being the same as Vitriol.1730–6Bailey (folio), Calcanthum, vitriol rubified. Chalcanthum, vitriol or copperas.1717Berkeley in Fraser Life & Lett. 586 A vapour sulphurous with some tincture of nitre, calcanthus, and bitumen.1718Quincy Compl. Disp. 14/1 Vitriol, when all its Moisture is dry'd away, becomes Chalcanthum.

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