Definition of Paris green
1 : a very poisonous green copper and arsenic compound C4H6As6Cu4O16 used especially formerly as an insecticide and pigment
2 : a brilliant yellowish green
Origin of paris green
First Known Use: 1868
Medical Definition of Paris green
: a very poisonous copper-based bright green powder Cu(C2H3O2)2·3Cu(AsO2)2 that is used as an insecticide and pigment
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Medical Dictionary: Definition of "Paris green"
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