单词 | ferrous sulfate |
释义 | ferrous sulfate in American English a green, crystalline compound, FeSO4·7H2O, used in dyeing, the making of ink, etc.; copperas ferrous sulfate in American Englishnoun Chemistry & Pharmacology a bluish-green, crystalline, saline-tasting, water-soluble heptahydrated solid, FeSO4⋅7H2O, used chiefly in the manufacture of other iron salts, in water purification, fertilizer, inks, pigments, tanning, photography, and in medicine in the treatment of anemia Also called: copperas, green vitriol, iron vitriol, iron sulfate Word origin [1860–65]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: calibrate, jumping jack, metric system, mutualism, pop-upExamples of 'ferrous sulfate' in a sentence |
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