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单词 paris green
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Paris green, 
    1. Chemistryan emerald-green, poisonous, water-insoluble powder produced from arsenic trioxide and copper acetate: used chiefly as a pigment, insecticide, and wood preservative.
    2. (sometimes l.c.) a variable hue ranging from light to vivid yellow green in color.
    • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
Paris green n
  1. 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(AsO2)2.Cu(C2H3O2)2
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