重晶石
a colourless or white mineral consisting of barium sulphate in orthorhombic crystalline form, occurring in sedimentary rocks and with sulphide ores: a source of barium. Formula: BaSO&-{4}
1. a white or colorless mineral (BaSO4); the main source of barium
(synonym) , ,
(hypernym)
(substance-meronym) barium, Ba, atomic number 56
维生素c usp ,土霉素 Vitamin C USP, Oxytetracycline HCl...重晶石 barytes ( `) C1 X( w! H d. M...过氧化氢 Hydrogen Peroxide
现代英汉词典
重晶石
柯林斯
