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Paris green

noun Par·is green \ ˈper-əs- , ˈpa-rəs- \
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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 and Etymology of paris green

Paris, France

Medical Dictionary

Paris green

noun Par·is green \ ˌpar-əs- \

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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