elaidicadj.
/ɛleɪˈɪdɪk/ Chemistry.
The designation of an acid C18H34O2, a solid isomeric modification of elaic (oleic) acid, produced by the action of nitrous acid. Also elaidic ethers: a name for two oily liquids, elaidate of ethyl (C18H33O2·C2H5) and elaidate of methyl (C16H33O2·CH3), prepared from elaidic acid and alcohol.
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1838 T. Thomson Chem. Org. Bodies 345 Elaidic ether.
c1865 H. Letheby in J. Wylde Circle of Sci. I. 97/1 The conversion of the liquid oleic acid into solid elaidic.
1869 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxxvi. 362 This acid [sc. oleic acid] when acted upon by nitrous acid forms a new solid acid isomeric with oleic acid, and called elaïdic acid.
Derivatives
eˈlaidate n. [see -ate suffix4] a salt of elaidic acid.
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1838 T. Thomson Chem. Org. Bodies 436 Elaidates of potash..Elaidate of magnesia is not sensibly soluble in water.
eˈlaidin n. [see -in suffix1] a solid isomeric modification of olein, produced by the action of nitrous acid on olein.
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c1865 H. Letheby in J. Wylde Circle of Sci. I. 102/1 The oleine of the oil being converted into a semi-transparent jelly-like mass, named elaidine.
1884 New Sydenham Soc. Lexicon Elaidin.
This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2021).
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adj.1838