eschynite
/'eskә,nait/
📖 中文释义
- 易解石
📘 English Definition（英文释义）
- n. A rare mineral, containing chiefly niobium, titanium,
- thorium, and cerium. It was so called by Berzelius on account of the
- inability of chemical science, at the time of its discovery, to
- separate some of its constituents.