prussian_blue has definitions from the fields of color,chemistry
1
[ noun ] (chemistry,color) any of various blue pigments

Synonyms

iron_blue

Used in print

(Jay Williams, The Forger....)

He also had , at_times , an uncanny absent-minded air like a sleepwalker ; he would look right through you while you were talking to him , and if you said , `` For_Christ's_sake , Donald , you 've got Prussian_blue all_over your shirt '' , he would smile , and nod , and an hour later the paint would be all_over his pants as_well .

Related terms

pigment

2
[ noun ] (color) a dark greenish-blue color

Related terms

blue

*