Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

isooctane

play
noun iso·oc·tane \ˌī-sō-ˈäk-ˌtān\

Definition of isooctane

  1. :  an octane of branched-chain structure or a mixture of such octanes; especially :  a flammable liquid octane used in determining the octane number of fuels



Origin and Etymology of isooctane

International Scientific Vocabulary


First Known Use: 1909


Seen and Heard

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

WORD OF THE DAY

a secret group of plotters

Get Word of the Day daily email!