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methylamine

[meth-uh-luh-meen, -uh l-am-in]
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noun Chemistry.
  1. any of three derivatives of ammonia in which one or all of the hydrogen atoms are replaced by methyl groups, especially a gas, CH5N, with an ammonialike odor, the simplest alkyl derivative of ammonia and, like the latter, forming a series of salts.
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Origin of methylamine

First recorded in 1840–50; methyl- + amine
Also called monomethylamine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for methylamine

methylamine

noun
  1. a colourless flammable water-soluble gas, used in the manufacture of herbicides, dyes, and drugs. Formula: CH 3 NH 2
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

methylamine in Science

methylamine

[mĕth′ə-lə-mēn, -lămēn, mə-thĭlə-mēn′]
  1. 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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.