'Methyl green' definitions:

Definition of 'Methyl green'

From: GCIDE
  • Methyl \Meth"yl\, n. [See Methylene.] (Chem.) A univalent hydrocarbon radical, CH3-, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives; as, methyl alcohol, methyl ether, methyl amine, etc. [Formerly written also methule, methyle, etc.] [1913 Webster]
  • Methyl alcohol (Chem.), a light, volatile, inflammable liquid, CH3.OH, obtained by the distillation of wood, and hence called wood alcohol or wood spirit; tecnically referred to as methanol; -- 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 or dimethyl ether.
  • 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. [1913 Webster]

Definition of 'Methyl green'

From: GCIDE
  • 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. [1913 Webster]
  • 2. A grassy plain or plat; a piece of ground covered with verdant herbage; as, the village green. [1913 Webster]
  • O'er the smooth enameled green. --Milton. [1913 Webster]
  • 3. Fresh leaves or branches of trees or other plants; wreaths; -- usually in the plural. [1913 Webster]
  • In that soft season when descending showers Call forth the greens, and wake the rising flowers. --Pope. [1913 Webster]
  • 4. pl. Leaves and stems of young plants, as spinach, beets, etc., which in their green state are boiled for food. [1913 Webster]
  • 5. Any substance or pigment of a green color. [1913 Webster]
  • 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. [1913 Webster]