transcription, транскрипция: [ ˌme-thəl-ˈmər-kyə-rē, -ˈmər-k(ə-)rē ]
noun
Date: 1915
: any of various toxic compounds of mercury containing the complex CH 3 Hg− that often occur as pollutants which accumulate in living organisms (as fish) especially in higher levels of a food chain