Definition of octene in US English:

octene

noun

Chemistry
  • Any of a series of liquid alkenes with the formula C₈H₁₆; especially (also "1-octene") the isomer CH₂=CH(CH₂)₅CH₃.

Origin

Mid 19th century. From octo- + -ene. Compare earlier octylene and also earlier sextene.

Pronunciation

octene

/ˈɒktiːn/