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isooctane
[ ahy-soh-ok-teyn ]
/ ˌaɪ soʊˈɒk teɪn /
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noun Chemistry.
the octane C8H18, used as one of the standards in establishing the octane number of a fuel.
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Compare octane number.
Words nearby isooctane
isoniazid, isonicotinic acid hydrazide, isonome, isonomy, Isonzo, isooctane, iso-osmotic, isopach, isopachous, isopag, isopathy
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for isooctane
isooctane
/ (ˌaɪsəʊˈɒkteɪn) /
noun
a colourless liquid alkane hydrocarbon produced from petroleum and used in standardizing petrol. Formula: (CH 3) 3 CCH 2 CH(CH 3) 2See also octane number
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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