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methylmercury

American  
[meth-uhl-mur-kyuh-ree] / ˌmɛθ əlˈmɜr kyə ri /

noun

Chemistry.
  1. any of several extremely toxic organometallic compounds, Hg(CH3 ) 2 , formed from metallic mercury by the action of microorganisms and capable of entering the food chain: used as seed disinfectants.


Etymology

Origin of methylmercury

First recorded in 1915–20; methyl + mercury

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Her research shows that sea otters can accumulate high levels of methylmercury, a toxic form of mercury.

From Science Daily

"Methylmercury accumulation can cause a suite of problems related to reproduction, body condition, and behavioral abnormalities," Bailey explains.

From Science Daily

Exposure studies usually test for methylmercury, a powerful neurotoxin formed when bacteria, in this case in rivers, metabolize inorganic mercury.

From Seattle Times

So, researchers set out to determine whether lower atmospheric emissions resulted in lower concentrations of mercury in the oceans, specifically the methylmercury found in food sources that sit at the top of the food chain like tuna.

From Science Daily

But this protein-rich fish can build up high levels of methylmercury from feeding on contaminated prey, like smaller fish or crustaceans.

From Science Daily