- Chemistry. an emerald-green, poisonous, water-insoluble powder produced from arsenic trioxide and copper acetate: used chiefly as a pigment, insecticide, and wood preservative.
- (sometimes lowercase) a variable hue ranging from light to vivid yellow green in color.
Origin of Paris green
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for paris green
Why will spraying with a poison, such as paris-green, kill these insects?
The common rat poisons are Arsenic, Strychnine and Paris-green.All about Ferrets and Rats
If it is a biting insect, that is one that eats the leaf, such as the potato beetle, paris-green should be used.
Insect powder is not poisonous to man as is paris-green, and so may be used freely on cabbage or other similar plants.
- an emerald-green poisonous insoluble substance used as a pigment and insecticide. It is a double salt of copper arsenite and copper acetate. Formula: 3Cu(AsO 2) 2 .Cu(C 2 H 3 O 2) 2