¦ ̷ ̷ ̷ ̷ ¦ ̷ ̷ ̷ ̷ ̷ ̷ noun
Etymology: methyl + mercury
: any of various toxic compounds of mercury containing the complex CH 3 Hg− that often occur as pollutants formed as industrial by-products or pesticide residues, tend to accumulate in living organisms (as fish) especially in food chains, are rapidly and easily absorbed through the human intestinal wall, and cause neurological dysfunction in humans — see minamata disease herein