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单词 ethylamine
释义

ethylaminen.

Brit. /ᵻˈθʌɪləmiːn/, /ˌiːθʌɪlˈeɪmiːn/, /ˌɛθɪlˈeɪmiːn/, /ˈɛθɪləmiːn/, U.S. /ˈɛθələˌmin/, /ˌɛθəlˈæmˌin/
Origin: Formed within English, by compounding; modelled on a French lexical item. Etymons: ethyl n., amine n.
Etymology: < ethyl n. + amine n., after French éthylamine (A. Wurtz 1849, in Comptes rendus hebdomadaires de l'Académie des Sciences 29 171).
Chemistry.
A volatile, basic liquid with a pungent odour, usually made by the reaction of ethanol and ammonia and used in chemical synthesis.Systematic name: ethanamine; NH2C2H5.
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the world > matter > chemistry > organic chemistry > amines > [noun] > named
ethylamine1849
amylamine1850
ethylia1850
petinine1850
triethylamine1850
polyamine1861
nonylamine1866
octylamine1866
carbylamine1868
tetrylamine1868
hydroxylamine1871
hydramine1877
nitrosamine1878
guanamine1881
hexamethylenetetramine1888
morpholine1889
triethanolamine1897
tropane1898
agmatine1910
tyramine1910
histamine1912
spermidine1927
monoethanolamine1929
tryptamine1929
octopamine1948
norsynephrine1952
tilorone1970
1849 Chem. Gaz. 15 Sept. 358 The ethylamine, set free at a gentle heat, distils over and is condensed in the recipient.
1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 309 Several alkaloids existing in the animal and vegetable kingdom afford ethylamine on distillation with potash.
1911 W. Jago & W. C. Jago Technol. Bread-making xi. 188 Products of Putrefaction..compound or substituted ammonias: ethylamine, trimethylamine, propylamine, etc.
1977 Sci. Amer. July 100/2 In pure ethylamine..sodium is virtually insoluble.
2003 Here's Health Sept. 33/1 L-theanine, found in black and green teas, is broken down by the liver and turned into ethylamine.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1849
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