Prussian blue definition by Wordo

Adjective

Of

a

rich

blue

colour

,

tinted

with

green

.

Noun

An

insoluble

dark

,

bright

blue

pigment

,

ferric

ferrocyanide

(

equivalent

to

ferrous

ferricyanide

),

used

in

painting

and

dyeing

,

and

as

an

antidote

for

certain

kinds

of

heavy

metal

poisoning

.