heptane

noun
hep·​tane | \ ˈhep-ˌtān How to pronounce heptane (audio) \

Definition of heptane

: any of several isomeric alkanes C7H16 especially : the liquid normal isomer occurring in petroleum and used especially as a solvent and in determining octane numbers

First Known Use of heptane

1877, in the meaning defined above

Keep scrolling for more

Learn More about heptane

Time Traveler for heptane

Time Traveler

The first known use of heptane was in 1877

See more words from the same year

Statistics for heptane

Cite this Entry

“Heptane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heptane. Accessed 19 Jan. 2021.

More from Merriam-Webster on heptane

Britannica.com: Encyclopedia article about heptane

Comments on heptane

What made you want to look up heptane? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Words of Snow and Ice Quiz

  • image1037863653
  • Which of the following refers to thin, bending ice, or to the act of running over such ice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!