Paris green

Par·​is green | \ ˈper-əs- How to pronounce Paris green (audio) , ˈpa-rəs-\

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

First Known Use of Paris green

1868, in the meaning defined at sense 1

History and Etymology for Paris green

Paris, France

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The first known use of Paris green was in 1868

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More Definitions for Paris green

Paris green

Par·​is green | \ ˌpar-əs- How to pronounce Paris green (audio) \

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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to engage in dissolute behavior

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