D defs.my
Entry 1 sense Webster, 1913

Octyl

· Oc·tyl · IPA
01 n. A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol.
  1. 1.
    A hypothetical hydrocarbon radical regarded as an essential residue of octane, and as entering into its derivatives; as, octyl alcohol.(Chem.)