ethiden.
/ˈɛθʌɪd/, /ˈiːθʌɪd/, U.S. /ˈɛˌθaɪd/, /ˈiˌθaɪd/ Chemistry.
A compound in which an atom (esp. of a metal) or group is bonded to an ethyl group.
ΚΠ
1851 E. Frankland in Q. Jrnl. Chem. Soc. 3 347 C2H5C2H5 = Ethide of ethyl.
1880 Libr. Universal Knowl. VIII. 593 The action of carbonic acid on ethyde of sodium [will produce ketones].
1943 E. H. Lewitt Thermodynamics applied to Heat Engines (ed. 3) xvi. 406 Detonation in petrol engines can be suppressed or reduced by the addition of a small amount of lead ethide, or ethyl fluid, to the fuel.
2002 Photochem. & Photobiol. Sci. 1 67 This saturation implies a pre-equilibrium mechanism involving quinone ethide protonation.
This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).
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n.1851