【化】 钾铬矾
【医】 铬明矾

[ noun ]
a violet-colored salt used in hide tanning and as a mordant in dyeing
<noun.substance>

Chrome \Chrome\, n.
Same as {Chromium}.

{Chrome alum} (Chem.), a dark violet substance,
{(SO4)3Cr2.K2SO4.24H2O}, analogous to, and crystallizing
like, common alum. It is regarded as a double sulphate of
chromium and potassium.

{Chrome green}
(a) The green oxide of chromium, {Cr2O3}, used in enamel
painting, and glass staining.
(b) A pigment made by mixing chrome yellow with Prussian
blue.

{Chrome red}, a beautiful red pigment originally prepared
from the basic chromate of lead, but now made from red
oxide of lead.

{Chrome yellow}, a brilliant yellow pigment, {PbCrO4}, used
by painters.