trona

n. 天然碱 [化] 天然碱

释义与例句

n.
  1. 1.

    An evaporite, consisting of mixture of sodium carbonate and sodium bicarbonate, Na₃HCO₃CO₃·2H₂O.

    不可数 化学 地质

词源

From Swedish trona or from Spanish trona, both derived from Arabic أَطْرُون (ʔaṭrūn), from نَطْرُون (naṭrūn), from Ancient Greek νίτρον (nítron), ultimately from Egyptian nṯrj: R9. Doublet of natron and niter.

来源：wiktionary