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copperas    
n. 绿矾

绿矾

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.
[1913 Webster]

2. Having a sickly color; wan.
[1913 Webster]

To look so green and pale. --Shak.
[1913 Webster]

3. Full of life and vigor; fresh and vigorous; new; recent;
as, a green manhood; a green wound.
[1913 Webster]

As valid against such an old and beneficent
government as against . . . the greenest usurpation.
--Burke.
[1913 Webster]

4. Not ripe; immature; not fully grown or ripened; as, green
fruit, corn, vegetables, etc.
[1913 Webster]

5. Not roasted; half raw. [R.]
[1913 Webster]

We say the meat is green when half roasted. --L.
Watts.
[1913 Webster]

6. Immature in age, judgment, or experience; inexperienced;
young; raw; not trained; awkward; as, green in years or
judgment.
[1913 Webster]

I might be angry with the officious zeal which
supposes that its green conceptions can instruct my
gray hairs. --Sir W.
Scott.
[1913 Webster]

7. Not seasoned; not dry; containing its natural juices; as,
green wood, timber, etc. --Shak.
[1913 Webster]

8. (Politics) Concerned especially with protection of the
enviroment; -- of political parties and political
philosophies; as, the European green parties.
[PJC]

{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}.
[1913 Webster]


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}.
[1913 Webster]

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


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