pipestone /'paipstәjn/ 📖 中文释义 n. 烟斗石( 指印第安人用以刻制烟斗的粉红色或粉红夹白色的泥质岩) 📘 English Definition(英文释义) n. A kind of clay slate, carved by the Indians into tobaccopipes. Cf. Catlinite. ← pipestem oxygen system pipet →