Definition of diol in English:

diol

noun

Chemistry
  • An alcohol containing two hydroxyl groups in its molecule.

    glycol
    • ‘These materials are based on the polymerization reaction of a diol with a diisocyanate.’
    • ‘The epoxide hydrolases are a family of enzymes that hydrate simple epoxide to vicinal diols and arene oxides to transdihydrodiols.’
    • ‘They are the result of a reaction between a diacid (such as terephthalic acid) and a diol (such as ethylene glycol).’
    • ‘Macrodiols with different thermal characteristics were prepared using ring-opening polymerization of cyclic diesters or lactones with a low molecular weight diol as an initiator.’
    • ‘Biocatalysts from unique South-African biomes are employed to produce a wide range of single enantiomer chiral epoxides and diols in highly efficient, environmentally friendly processes.’

Origin

1920s: from di- ‘two’+ -ol.

Pronunciation:

diol

/ˈdʌɪɒl/