aurantia
noun
au·ran·tia
ȯˈranch(ē)ə
plural -s
: a poisonous red-brown crystalline alcohol-soluble dye C12H8N8O12 used in biological staining, in desensitizing photographic plates, and in colored photographic filters —the ammonium salt of hexanitrodiphenylamine
Word History
Etymology
New Latin, from Latin aurant-, aurans (present participle of aurare to gild, from aurum gold) + New Latin -ia