xylostein /'zailәsti:n/ 📖 中文释义 忍冬苷 📘 English Definition(英文释义) n. A glucoside found in the poisonous berries of a speciesof honeysuckle (Lonicera xylosteum), and extracted as a bitter, white,crystalline substance. ← xylosone X 字母词表 xylostroma →