好词典

chromic

UK //ˈkrəʊmɪk//US //ˈkroʊmɪk//

词源

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。

adjective

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。)

同义词:chromium-based, chromous (二价铬), hexavalent chromium (六价铬)

常见短语

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。)