Definition of -ol in US English:

-ol

suffix

Chemistry
  • 1Forming names of organic compounds denoting alcohols and phenols.

    ‘glycerol’
    ‘retinol’
  • 2Forming names of organic compounds denoting oils and oil-derived compounds.

    ‘benzol’

Origin

-ol (sense 1) from (alcoh)ol; -ol (sense 2) from Latin oleum ‘oil’. See also -ole.