“colcothar”的英英意思

单词 colcothar 释义 colcothar|klka(r)|Also 7 -chotar, -cotar, -kethor.[So in F., Pg. and med.L. (also calcatar), Sp. colcotar, ad. Arab. qolqotr (Pedro de Alcal, 1505), thought by Dozy to be a corruption of Gr. ά or chalcanth.]The brownish red peroxide...