First Known Use: 1909
Dictionary
isooctane
noun iso·oc·tane \ˌī-sō-ˈäk-ˌtān\
Definition of ISOOCTANE
: 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
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Origin of ISOOCTANE
International Scientific Vocabulary
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