
好词典

源自法语 'chromique'(19世纪),基于希腊语 'chrōma'(颜色),因铬化合物常呈现鲜艳色彩。
❶ 与铬元素相关的,特指含有三价铬(Cr³⁺)的化合物,常见于化学和工业领域。
“Chromic oxide is widely used as a green pigment in ceramics.”
(氧化铬广泛用作陶瓷中的绿色颜料。)
“The leather was tanned using chromic salts to increase durability.”
(皮革用铬盐鞣制以提高耐用性。)
chromic acid — 一种强氧化剂,化学式为H₂CrO₄,常用于电镀和实验室清洗玻璃器皿。
“Chromic acid baths are used to clean precision instruments.”
(铬酸浴用于清洁精密仪器。)