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

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

Dictionary Entries Near heptane

heptanal

heptane

heptanone

See More Nearby Entries 

Statistics for heptane

Cite this Entry

“Heptane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heptane. Accessed 24 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on heptane

Britannica.com: Encyclopedia article about heptane

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

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

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!