祖母绿 Traditional form: 祖母綠 Pinyin (reading): zǔmǔlü Definitions: emerald Characters: 祖 - ancestor, forefather; grandfather; surname 母 - mother; female elders; female 绿 - green; chlorine Traditional characters: 祖 - ancestor, forefather; grandfather; surname 母 - mother; female elders; female 綠 - green; chlorine