colcothar

n. 褐红色铁氧化物 [化] 铁丹

词形变化

colcothars 复数 colcothars

释义与例句

n.
  1. 1.

    Polishing rouge; a reddish-brown oxide of iron, used in polishing glass, and also as a pigment.

    可数 废旧 不可数 化学

相关短语

salt of colcothar

词源

From Arabic قَلْقَطَار (qalqaṭār).

来源：wiktionary