Copperas

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. See ferrous sulfate.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Ferrous sulfate.
    • the GNU version of the Collaborative International Dictionary of English
  • n. Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate.
    • The Century Dictionary and Cyclopedia
  • n. Green vitriol, the sulphate of iron, or ferrous sulphate, FeSO4.7H2O, a salt of a peculiar astringent taste and of various colors, green, gray, yellowish, or whitish, but more usually green.
    • Word Usage
    "At Walton-under-the-Naze they find on the shore copperas-stone in great quantities; and there are several large works called copperas houses, where they make it with great expense."
    Cross Reference
    copperas-black    white copperas    yellow copperas    blue copperas   
    Variant
    ferrous sulphate   
     
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