The Collaborative International Dictionary of English v.0.48:

Green \Green\ (gr[=e]n), n.
   1. The color of growing plants; the color of the solar
      spectrum intermediate between the yellow and the blue.
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   2. A grassy plain or plat; a piece of ground covered with
      verdant herbage; as, the village green.
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            O'er the smooth enameled green.       --Milton.
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   3. Fresh leaves or branches of trees or other plants;
      wreaths; -- usually in the plural.
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            In that soft season when descending showers
            Call forth the greens, and wake the rising flowers.
                                                  --Pope.
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   4. pl. Leaves and stems of young plants, as spinach, beets,
      etc., which in their green state are boiled for food.
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   5. Any substance or pigment of a green color.
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   Alkali green (Chem.), an alkali salt of a sulphonic acid
      derivative of a complex aniline dye, resembling emerald
      green; -- called also Helvetia green.

   Berlin green. (Chem.) See under Berlin.

   Brilliant green (Chem.), a complex aniline dye, resembling
      emerald green in composition.

   Brunswick green, an oxychloride of copper.

   Chrome green. See under Chrome.

   Emerald green. (Chem.)
      (a) A complex basic derivative of aniline produced as a
          metallic, green crystalline substance, and used for
          dyeing silk, wool, and mordanted vegetable fiber a
          brilliant green; -- called also aldehyde green,
          acid green, malachite green, Victoria green,
          solid green, etc. It is usually found as a double
          chloride, with zinc chloride, or as an oxalate.
      (b) See Paris green (below).

   Gaignet's green (Chem.) a green pigment employed by the
      French artist, Adrian Gusgnet, and consisting essentially
      of a basic hydrate of chromium.

   Methyl green (Chem.), an artificial rosaniline dyestuff,
      obtained as a green substance having a brilliant yellow
      luster; -- called also light-green.

   Mineral green. See under Mineral.

   Mountain green. See Green earth, under Green, a.

   Paris green (Chem.), a poisonous green powder, consisting
      of a mixture of several double salts of the acetate and
      arsenite of copper. It has found very extensive use as a
      pigment for wall paper, artificial flowers, etc., but
      particularly as an exterminator of insects, as the potato
      bug; -- called also Schweinfurth green, imperial
      green, Vienna green, emerald qreen, and mitis
      green.

   Scheele's green (Chem.), a green pigment, consisting
      essentially of a hydrous arsenite of copper; -- called
      also Swedish green. It may enter into various pigments
      called parrot green, pickel green, Brunswick green,
      nereid green, or emerald green.
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The Collaborative International Dictionary of English v.0.48:

Malachite \Mal"a*chite\, n. [Fr. Gr. mala`chh a mallow, from its
   resembling the green color of the leaf of mallows: cf. F.
   malachite. Cf. Mallow.] (Min.)
   Native hydrous carbonate of copper, usually occurring in
   green mammillary masses with concentric fibrous structure.
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   Note: Green malachite, or malachite proper, admits of a high
         polish, and is sometimes used for ornamental work. Blue
         malachite, or azurite, is a related species of a deep
         blue color.
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   Malachite green. See Emerald green, under Green, n.
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