Copperas

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Green \Green\ (gr[=e]n), a. [Compar. {Greener} (gr[=e]n"[~e]r);
     superl. {Greenest.}] [OE. grene, AS. gr[=e]ne; akin to D.
     groen, OS. gr[=o]ni, OHG. gruoni, G. gr["u]n, Dan. & Sw.
     gr["o]n, Icel. gr[ae]nn; fr. the root of E. grow. See
     {Grow.}]
     1. Having the color of grass when fresh and growing;


        resembling that color of the solar spectrum which is
        between the yellow and the blue; verdant; emerald.
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     2. Having a sickly color; wan.
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              To look so green and pale.            --Shak.
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     3. Full of life and vigor; fresh and vigorous; new; recent;
        as, a green manhood; a green wound.
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              As valid against such an old and beneficent
              government as against . . . the greenest usurpation.
                                                    --Burke.
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     4. Not ripe; immature; not fully grown or ripened; as, green
        fruit, corn, vegetables, etc.
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     5. Not roasted; half raw. [R.]
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              We say the meat is green when half roasted. --L.
                                                    Watts.
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     6. Immature in age, judgment, or experience; inexperienced;
        young; raw; not trained; awkward; as, green in years or
        judgment.
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              I might be angry with the officious zeal which
              supposes that its green conceptions can instruct my
              gray hairs.                           --Sir W.
                                                    Scott.
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     7. Not seasoned; not dry; containing its natural juices; as,
        green wood, timber, etc. --Shak.
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     8. (Politics) Concerned especially with protection of the
        enviroment; -- of political parties and political
        philosophies; as, the European green parties.
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     {Green brier} (Bot.), a thorny climbing shrub ({Emilaz
        rotundifolia}) having a yellowish green stem and thick
        leaves, with small clusters of flowers, common in the
        United States; -- called also {cat brier}.
  
     {Green con} (Zool.), the pollock.
  
     {Green crab} (Zool.), an edible, shore crab ({Carcinus
        menas}) of Europe and America; -- in New England locally
        named {joe-rocker}.
  
     {Green crop}, a crop used for food while in a growing or
        unripe state, as distingushed from a grain crop, root
        crop, etc.
  
     {Green diallage}. (Min.)
        (a) Diallage, a variety of pyroxene.
        (b) Smaragdite.
  
     {Green dragon} (Bot.), a North American herbaceous plant
        ({Aris[ae]ma Dracontium}), resembling the Indian turnip;
        -- called also {dragon root}.
  
     {Green earth} (Min.), a variety of glauconite, found in
        cavities in amygdaloid and other eruptive rock, and used
        as a pigment by artists; -- called also {mountain green}.
        
  
     {Green ebony}.
        (a) A south American tree ({Jacaranda ovalifolia}), having
            a greenish wood, used for rulers, turned and inlaid
            work, and in dyeing.
        (b) The West Indian green ebony. See {Ebony}.
  
     {Green fire} (Pyrotech.), a composition which burns with a
        green flame. It consists of sulphur and potassium
        chlorate, with some salt of barium (usually the nitrate),
        to which the color of the flame is due.
  
     {Green fly} (Zool.), any green species of plant lice or
        aphids, esp. those that infest greenhouse plants.
  
     {Green gage}, (Bot.) See {Greengage}, in the Vocabulary.
  
     {Green gland} (Zool.), one of a pair of large green glands in
        Crustacea, supposed to serve as kidneys. They have their
        outlets at the bases of the larger antenn[ae].
  
     {Green hand}, a novice. [Colloq.]
  
     {Green heart} (Bot.), the wood of a lauraceous tree found in
        the West Indies and in South America, used for
        shipbuilding or turnery. The green heart of Jamaica and
        Guiana is the {Nectandra Rodi[oe]i}, that of Martinique is
        the {Colubrina ferruginosa}.
  
     {Green iron ore} (Min.) dufrenite.
  
     {Green laver} (Bot.), an edible seaweed ({Ulva latissima});
        -- called also {green sloke}.
  
     {Green lead ore} (Min.), pyromorphite.
  
     {Green linnet} (Zool.), the greenfinch.
  
     {Green looper} (Zool.), the cankerworm.
  
     {Green marble} (Min.), serpentine.
  
     {Green mineral}, a carbonate of copper, used as a pigment.
        See {Greengill}.
  
     {Green monkey} (Zool.) a West African long-tailed monkey
        ({Cercopithecus callitrichus}), very commonly tamed, and
        trained to perform tricks. It was introduced into the West
        Indies early in the last century, and has become very
        abundant there.
  
     {Green salt of Magnus} (Old Chem.), a dark green crystalline
        salt, consisting of ammonia united with certain chlorides
        of platinum.
  
     {Green sand} (Founding) molding sand used for a mold while
        slightly damp, and not dried before the cast is made.
  
     {Green sea} (Naut.), a wave that breaks in a solid mass on a
        vessel's deck.
  
     {Green sickness} (Med.), chlorosis.
  
     {Green snake} (Zool.), one of two harmless American snakes
        ({Cyclophis vernalis}, and {C. [ae]stivus}). They are
        bright green in color.
  
     {Green turtle} (Zool.), an edible marine turtle. See
        {Turtle}.
  
     {Green vitriol}.
        (a) (Chem.) Sulphate of iron; a light green crystalline
            substance, very extensively used in the preparation of
            inks, dyes, mordants, etc.
        (b) (Min.) Same as {copperas}, {melanterite} and {sulphate
            of iron}.
  
     {Green ware}, articles of pottery molded and shaped, but not
        yet baked.
  
     {Green woodpecker} (Zool.), a common European woodpecker
        ({Picus viridis}); -- called also {yaffle}.
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From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Copperas \Cop"per*as\, n. [OE. coperose, F. couperose, fr.
     (assumed?) L. cuprirosa, equiv. to G. cha`lkanqos, i. e.
     copper flower, vitriol. See {Copper} and {Rose.}]
     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}.
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     Note: The term copperas was formerly synonymous with vitriol,
           and included the green, blue, and white vitriols, or
           the sulphates of iron, copper, and zinc.
           [1913 Webster] copper-bottom