methyl isocyanate


noun

Chemistry. a highly toxic, flammable, colorless liquid, CH3NCO, used as an intermediate in the manufacture of pesticides: in 1984, the accidental release of a cloud of this gas in Bhopal, India, killed more than 1700 people and injured over 200,000.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019