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methylmercury

[ meth-uhl-mur-kyuh-ree ]

noun

, Chemistry.
  1. any of several extremely toxic organometallic compounds, Hg(CH 3 ) 2 , formed from metallic mercury by the action of microorganisms and capable of entering the food chain: used as seed disinfectants.


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Word History and Origins

Origin of methylmercury1

First recorded in 1915–20; methyl + mercury

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methyl lactatemethyl methacrylate