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

* * *

copper chloride,

1. = cupric chloride. (Cf. ↑cupric chloride)

2. = cuprous chloride. (Cf. ↑cuprous chloride)