Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Paris green

noun Par·is green \ ˈper-əs- , 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

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

Seen and Heard

What made you want to look up Paris green? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

exigent

play

requiring immediate aid or action

Get Word of the Day daily email!

TRENDING NOW

  1. mistrial 'a trial that terminates without a verdict'

  2. hogwash 'nonsense, balderdash'

  3. probity 'adherence to the highest principles and ideals'

  4. sequacious 'intellectually servile'

  5. inadmissible 'not capable of being allowed'

SEE ALL

BROWSE DICTIONARY

Paris green

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet-pasta-spelling-help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games