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[meth-uh-luh-meen, -uh l-am-in] /ˌmɛθ ə ləˈmin, -əlˈæm ɪn/

noun, Chemistry.
any of three derivatives of ammonia in which one or all of the hydrogen atoms are replaced by methyl groups, especially a gas, CH 5 N, with an ammonialike odor, the simplest alkyl derivative of ammonia and, like the latter, forming a series of salts.
a colourless flammable water-soluble gas, used in the manufacture of herbicides, dyes, and drugs. Formula: CH3NH2
(měth’ə-lə-mēn’, -lām’ēn, mə-thĭl’ə-mēn’)
A toxic, flammable gas produced naturally by the decomposition of organic matter and also made synthetically. It is used as a solvent and in the manufacture of many products, such as dyes and insecticides. Chemical formula: CH5N.


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