dioln.
/ˈdʌɪɒl/, U.S. /ˈdaɪˌɔl/, /ˈdaɪˌɑl/ Chemistry.
Any alcohol whose molecule contains two hydroxyl groups; a dihydric alcohol; = glycol n. b.
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glycol1858
thiodiglycol1887
diol1920
1920 Chem. Abstr. 14 2472 (heading) The positive influence of 1,3-diols on the conductivity of boric acid.
1967 D. Margerison & G. C. East Introd. Polymer Chem. iii. 122 The reaction between a diol and a diacid chloride rather than a diacid has the advantage of greater speed.
1980 Nature 8 May 99/1 Long chain 1,2- and 1,3-diols which are effective boundary lubricants chemisorb to the aluminium oxide surface more readily than the corresponding alcohols or acids.
This entry has not yet been fully updated (first published 1993; most recently modified version published online March 2022).
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