methyl isocyanate


Definition of methyl isocyanate

: an extremely toxic chemical CH3NCO used especially in the manufacture of pesticides abbreviation MIC

Examples of methyl isocyanate in a Sentence

Recent Examples on the Web Last year, the same team uncovered a more complex molecule (methyl isocyanate) in a star-forming region more than 400 light years away from Earth. Luba Ostashevsky, Ars Technica, "How did life begin? It’s Chemistry 101, but in space," 26 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'methyl isocyanate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of methyl isocyanate

1889, in the meaning defined above

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The first known use of methyl isocyanate was in 1889

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Cite this Entry

“Methyl isocyanate.” The Dictionary, Merriam-Webster Inc., Accessed 10 December 2019.

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More Definitions for methyl isocyanate

methyl isocyanate

meth·​yl iso·​cy·​a·​nate | \ -ˌī-sō-ˈsī-ə-ˌnāt \

Medical Definition of methyl isocyanate

: an extremely toxic chemical CH3NCO that is used especially in the manufacture of pesticides and was the cause of numerous deaths and injuries in a leak at a chemical plant in Bhopal, India, in 1984 abbreviation MIC

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Comments on methyl isocyanate

What made you want to look up methyl isocyanate? Please tell us where you read or heard it (including the quote, if possible).


to state or do over again or repeatedly

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