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Methyl green

Source : Webster's Revised Unabridged Dictionary (1913)

; -- called also {methol}, {carbinol}, etc.

   {Methyl amine} (Chem.), a colorless, inflammable, alkaline
      gas, {CH3.NH2}, having an ammoniacal, fishy odor. It is
      produced artificially, and also occurs naturally in
      herring brine and other fishy products. It is regarded as
      ammonia in which a third of its hydrogen is replaced by
      methyl, and is a type of the class of substituted
      ammonias.

   {Methyl ether} (Chem.), a light, volatile ether {CH3.O.CH3},
      obtained by the etherification of methyl alcohol; --
      called also {methyl oxide}.

   {Methyl green}. (Chem.) See under {Green}, n.

   {Methyl orange}. (Chem.) See {Helianthin}.

   {Methyl violet} (Chem.), an artificial dye, consisting of
      certain methyl halogen derivatives of rosaniline.

Green \Green\ (gren), n.
   1. The color of growing plants; the color of the solar
      spectrum intermediate between the yellow and the blue.

   2. A grassy plain or plat; a piece of ground covered with
      verdant herbage; as, the village green.

            O'er the smooth enameled green.       --Milton.

   3. Fresh leaves or branches of trees or other plants;
      wreaths; -- usually in the plural.

            In that soft season when descending showers Call
            forth the greens, and wake the rising flowers.
                                                  --Pope.

   4. pl. Leaves and stems of young plants, as spinach, beets,
      etc., which in their green state are boiled for food.

   5. Any substance or pigment of a green color.

   {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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