ˌga(ˌ)lōˈsīəˌnēn, ˌgȯ(-, -_nə̇n noun
Etymology: International Scientific Vocabulary gall- + cyan- + -ine
: an oxazine dye C 15 H 12 N 2 O 5 made from gallic acid and a nitroso derivative of aniline and used in dyeing mordanted wool and cotton bluish violet — see dye table I (under Mordant Blue 10 )