D defs.my
Entry 1 sense Webster, 1913

Pentine

· Pen·tine · IPA
01 n. An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene.
  1. 1.
    An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene.(Chem.) See: Valerylene