proustite
淡红银矿
淡红银矿
Proustite \
Proust "
ite \,
n . [
From the French chemist ,
J .
L .
Proust .] (
Min .)
A sulphide of arsenic and silver of a beautiful cochineal -
red color ,
occurring in rhombohedral crystals ,
and also massive ;
ruby silver .
[
1913 Webster ]
Red \
Red \,
a . [
Compar . {
Redder } (-
d ?
r );
superl . {
Reddest }.] [
OE .
red ,
reed ,
AS .
re ['
a ]
d ,
re ['
o ]
d ;
akin to OS .
r [=
o ]
d ,
OFries .
r [=
a ]
d ,
D .
rood ,
G .
roht ,
rot ,
OHG .
r [=
o ]
t ,
Dan . &
Sw .
r ["
o ]
d ,
Icel .
rau [
eth ]
r ,
rj [=
o ][
eth ]
r ,
Goth .
r ['
a ]
uds ,
W .
rhudd ,
Armor .
ruz ,
Ir . &
Gael .
ruadh ,
L .
ruber ,
rufus ,
Gr .
'
eryqro `
s ,
Skr .
rudhira ,
rohita ;
cf .
L .
rutilus . [
root ]
113 .
Cf . {
Erysipelas }, {
Rouge }, {
Rubric }, {
Ruby }, {
Ruddy },
{
Russet }, {
Rust }.]
Of the color of blood ,
or of a tint resembling that color ;
of the hue of that part of the rainbow ,
or of the solar spectrum ,
which is furthest from the violet part . "
Fresh flowers ,
white and reede ." --
Chaucer .
[
1913 Webster ]
Your color ,
I warrant you ,
is as red as any rose .
--
Shak .
[
1913 Webster ]
Note :
Red is a general term ,
including many different shades or hues ,
as scarlet ,
crimson ,
vermilion ,
orange red ,
and the like .
[
1913 Webster ]
Note :
Red is often used in the formation of self -
explaining compounds ;
as ,
red -
breasted ,
red -
cheeked ,
red -
faced ,
red -
haired ,
red -
headed ,
red -
skinned ,
red -
tailed ,
red -
topped ,
red -
whiskered ,
red -
coasted .
[
1913 Webster ]
{
Red admiral } (
Zool .),
a beautiful butterfly ({
Vanessa Atalanta })
common in both Europe and America .
The front wings are crossed by a broad orange red band .
The larva feeds on nettles .
Called also {
Atalanta butterfly },
and {
nettle butterfly }.
{
Red ant }. (
Zool .)
(
a )
A very small ant ({
Myrmica molesta })
which often infests houses .
(
b )
A larger reddish ant ({
Formica sanguinea }),
native of Europe and America .
It is one of the slave -
making species .
{
Red antimony } (
Min .),
kermesite .
See {
Kermes mineral }
(
b ),
under {
Kermes }.
{
Red ash } (
Bot .),
an American tree ({
Fraxinus pubescens }),
smaller than the white ash ,
and less valuable for timber .
--
Cray .
{
Red bass }. (
Zool .)
See {
Redfish }
(
d ) .
{
Red bay } (
Bot .),
a tree ({
Persea Caroliniensis })
having the heartwood red ,
found in swamps in the Southern United States .
{
Red beard } (
Zool .),
a bright red sponge ({
Microciona prolifera }),
common on oyster shells and stones . [
Local ,
U .
S .]
{
Red birch } (
Bot .),
a species of birch ({
Betula nigra })
having reddish brown bark ,
and compact ,
light -
colored wood . --
Gray .
{
Red blindness }. (
Med .)
See {
Daltonism }.
{
Red book },
a book containing the names of all the persons in the service of the state . [
Eng .]
{
Red book of the Exchequer },
an ancient record in which are registered the names of all that held lands per baroniam in the time of Henry II . --
Brande &
C .
{
Red brass },
an alloy containing eight parts of copper and three of zinc .
{
Red bug }. (
Zool .)
(
a )
A very small mite which in Florida attacks man ,
and produces great irritation by its bites .
(
b )
A red hemipterous insect of the genus {
Pyrrhocoris },
especially the European species ({
Pyrrhocoris apterus }),
which is bright scarlet and lives in clusters on tree trunks .
(
c )
See {
Cotton stainder },
under {
Cotton }.
{
Red cedar }. (
Bot .)
An evergreen North American tree ({
Juniperus Virginiana })
having a fragrant red -
colored heartwood .
(
b )
A tree of India and Australia ({
Cedrela Toona })
having fragrant reddish wood ; --
called also {
toon tree }
in India .
{
Red horse }. (
Zool .)
(
a )
Any large American red fresh -
water sucker ,
especially {
Moxostoma macrolepidotum }
and allied species .
(
b )
See the Note under {
Drumfish }.
{
Red lead }.
(
Chem )
See under {
Lead },
and {
Minium }.
{
Red -
lead ore }. (
Min .)
Same as {
Crocoite }.
{
Red liquor } (
Dyeing ),
a solution consisting essentially of aluminium acetate ,
used as a mordant in the fixation of dyestuffs on vegetable fiber ; --
so called because used originally for red dyestuffs .
Called also {
red mordant }.
{
Red maggot } (
Zool .),
the larva of the wheat midge .
{
Red manganese }. (
Min .)
Same as {
Rhodochrosite }.
{
Red man },
one of the American Indians ; --
so called from his color .
{
Red maple } (
Bot .),
a species of maple ({
Acer rubrum }).
See {
Maple }.
{
Red mite }. (
Zool .)
See {
Red spider },
below .
{
Red mulberry } (
Bot .),
an American mulberry of a dark purple color ({
Morus rubra }).
{
Red mullet } (
Zool .),
the surmullet .
See {
Mullet }.
{
Red ocher } (
Min .),
a soft earthy variety of hematite ,
of a reddish color .
{
Red perch } (
Zool .),
the rosefish .
{
Red phosphorus }. (
Chem .)
See under {
Phosphorus }.
{
Red pine } (
Bot .),
an American species of pine ({
Pinus resinosa }); --
so named from its reddish bark .
{
Red precipitate }.
See under {
Precipitate }.
{
Red Republican } (
European Politics ),
originally ,
one who maintained extreme republican doctrines in France , --
because a red liberty cap was the badge of the party ;
an extreme radical in social reform . [
Cant ]
{
Red ribbon },
the ribbon of the Order of the Bath in England .
{
Red sanders }. (
Bot .)
See {
Sanders }.
{
Red sandstone }. (
Geol .)
See under {
Sandstone }.
{
Red scale } (
Zool .),
a scale insect ({
Aspidiotus aurantii })
very injurious to the orange tree in California and Australia .
{
Red silver } (
Min .),
an ore of silver ,
of a ruby -
red or reddish black color .
It includes {
proustite },
or light red silver ,
and {
pyrargyrite },
or dark red silver .
{
Red snapper } (
Zool .),
a large fish ({
Lutjanus aya }
syn .
{
Lutjanus Blackfordii })
abundant in the Gulf of Mexico and about the Florida reefs .
{
Red snow },
snow colored by a mocroscopic unicellular alga ({
Protococcus nivalis })
which produces large patches of scarlet on the snows of arctic or mountainous regions .
{
Red softening } (
Med .)
a form of cerebral softening in which the affected parts are red , --
a condition due either to infarction or inflammation .
{
Red spider } (
Zool .),
a very small web -
spinning mite ({
Tetranychus telarius })
which infests ,
and often destroys ,
plants of various kinds ,
especially those cultivated in houses and conservatories .
It feeds mostly on the under side of the leaves ,
and causes them to turn yellow and die .
The adult insects are usually pale red .
Called also {
red mite }.
{
Red squirrel } (
Zool .),
the chickaree .
{
Red tape },
(
a )
the tape used in public offices for tying up documents ,
etc .
Hence ,
(
b )
official formality and delay ;
excessive bureaucratic paperwork .
{
Red underwing } (
Zool .),
any species of noctuid moths belonging to {
Catacola }
and allied genera .
The numerous species are mostly large and handsomely colored .
The under wings are commonly banded with bright red or orange .
{
Red water },
a disease in cattle ,
so called from an appearance like blood in the urine .
[
1913 Webster ]
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