isooctane

EnglishEdit

EtymologyEdit

iso- +‎ octane

NounEdit

isooctane (countable and uncountable, plural isooctanes)

  1. (chemistry) any isomer of n-octane; especially 2,2,4-trimethylpentane, used as a reference in the determination of the octane number of fuel
Last modified on 26 August 2013, at 11:31