Helvetia green

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]