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

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