释义 |
copper chloride noun : a chloride of copper: a. : a white poisonous powder CuCl made by reducing cupric chloride and used chiefly as a catalyst and as an absorbent of carbon monoxide — called also copper(I) chloride, cuprous chloride b. : a yellowish brown deliquescent anhydrous powder CuCl2 made by heating copper in chlorine or a green crystalline dihydrate CuCl2.2H2O made by evaporating cupric oxide in hydrochloric acid, both being used chiefly as a mordant in dyeing and printing and in some metallurgical processes — called also copper(II) chloride, cupric chloride c. : any of various basic chlorides (as a brown powder CuCl2.3CuO) or mixtures formed on exposure of cupric chloride to air used as pigments and fungicides — called also copper oxychloride |