methyl ethyl ketone

noun

Definition of methyl ethyl ketone 

: a flammable liquid compound C4H8O similar to acetone and used chiefly as a solvent abbreviation MEK

Examples of methyl ethyl ketone in a Sentence

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Less than six months later, in February 2004, a leak in a heat exchanger at Sarnia's Imperial Oil discharged cooling water to the St. Clair River contaminated with two potentially harmful chemicals, methyl ethyl ketone and methyl isobutyl ketone. Keith Matheny, Detroit Free Press, "Years apart, 2 residents champion Lake St. Clair and its environmental problems," 3 Oct. 2017

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

First Known Use of methyl ethyl ketone

1876, in the meaning defined above

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The first known use of methyl ethyl ketone was in 1876

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