juglandin /dʒu:^'lændin/ 📖 中文释义 胡桃定 📘 English Definition(英文释义) n. An extractive matter contained in the juice of the greenshucks of the walnut (Juglans regia). It is used medicinally as analterative, and also as a black hair dye. ← juglandic acid J 字母词表 juglandis folia →