单词 | methylamine |
释义 | methylamine[ meth-uh-luh-meen, -uhl-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, CH5N, with an ammonialike odor, the simplest alkyl derivative of ammonia and, like the latter, forming a series of salts. Also called monomethylamine. Origin of methylamineFirst recorded in 1840–50; methyl- + amine Words nearby methylaminemethyl, methyl acetate, methylacetic acid, methylal, methyl alcohol, methylamine, methylate, methylated spirits, methylation, methylbenzene, methylbenzyl acetate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for methylamine
British Dictionary definitions for methylaminemethylamine / (miːˈθaɪləˌmiːn) / nouna colourless flammable water-soluble gas, used in the manufacture of herbicides, dyes, and drugs. Formula: CH 3 NH 2 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 Scientific definitions for methylaminemethylamine [ mĕth′ə-lə-mēn′, -lăm′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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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