SINCE 1828
Guignet's green
noun
Gui·gnet's green
| \ (ˈ)gēn¦yāz-\
Definition of Guignet's green
1
: a bluish green pigment of good brilliance and permanence consisting of a hydrated chromic oxide made by fusion of sodium dichromate and boric acid and hydrolysis of the product
2
: a dark bluish green that is greener and stronger than average teal green and greener, lighter, and stronger than invisible green (see invisible green sense 2)
— called also Mittler's green
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Merriam-Webster unabridged
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