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. |

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
相关内容11:
相关热词搜索:chalcanthum英英词典英英释义英语词汇意思用法释义英语