Word.ws English Dictionary

septane

septane is the obsolete form of heptane.

Meaning of heptane

Noun

heptane (plural heptanes)

  1. Any of the nine isomers of the saturated aliphatic hydrocarbon C₇H₁₆, obtained from petroleum, especially n-heptane (CH₃(CH₂)₅CH₃)

Forms of septane

pluralseptanes

Origin of septane

Latin septem (“seven”).

Questions about septane

What is septane the obsolete form of?
Septane is the obsolete form of heptane.

Words near septane in the dictionary

  1. septalplasties
  2. septalplasty
  3. septamer
  4. septamers
  5. septan
  6. septane
  7. septanes
  8. septangle
  9. septangles
  10. septangular
  11. septanose

Source and license

Adapted from Wiktionary: septane (page history and authors); heptane (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “septane.” Word.ws, https://word.ws/septane. Based on Wiktionary, CC BY-SA 4.0.