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Webster 1913 Edition

Cinnabar

Cin′na-bar

,
Noun.
[L.
cinnabaris
, Gr. [GREEK]; prob. of Oriental origin; cf. Per.
qinbār
, Hind.
shangarf
.]
1.
(Min.)
Red sulphide of mercury, occurring in brilliant red crystals, and also in red or brown amorphous masses. It is used in medicine.
2.
The artificial red sulphide of mercury used as a pigment; vermilion.
Cinnabar Græcorum
.
[L.
Graecorum
, gen. pl., of the Greeks.]
(Med.)
Same as
Dragon’s blood
.
–
Green cinnabar
,
a green pigment consisting of the oxides of cobalt and zinc subjected to the action of fire.
–
Hepatic cinnabar
(Min.)
,
an impure cinnabar of a liver-brown color and submetallic luster.

Webster 1828 Edition

Cinnabar

CINNABAR

,
Noun.
Red sulphuret of mercury. Native cinnabar is an ore of quicksilver, moderately compact, very heavy, and of an elegant striated red color. It is called native vermilion, and its chief use is in painting. The intensity of its color is reduced by bruising and dividing it into small parts. It is found amorphous, or under some imitative form, or crystalized. Factitious cinnabar is a mixture of mercury and sulphur sublimed, and thus reduced into a fine red glebe.

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