cadmium yellowEnglishOxford New American Dictionarycadmium yellow /ˈkadmēəm ˈyelō, ˈkædmiəm ˈjɛloʊ/ ▸ noun a bright yellow pigment containing cadmium sulfide. Deeper versions are called cadmium orange; the addition of cadmium selenide gives cadmium red. ▪ a bright yellow color.