noun
1. : a blue pigment stable toward lime: as
a. : a mixture of copper hydroxide and lime that is no longer used
b. : a mixture of ultramarine or methylene blue and gypsum
2.
a. : azurite blue
b. : french blue
noun
1. : a blue pigment stable toward lime: as
a. : a mixture of copper hydroxide and lime that is no longer used
b. : a mixture of ultramarine or methylene blue and gypsum
2.
a. : azurite blue
b. : french blue
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012