Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various isomeric alkanes with the formula C8H18, found in petroleum and used as a fuel and solvent.
- noun An octane number.
from The Century Dictionary.
- noun An oily hydrocarbon, C8H18, of the paraffin series. It occurs in petroleum, and is one of the chief constituents of ligroin. It boils at 124° C. The name is sometimes given to diisobutyl (C8H18).
from the GNU version of the Collaborative International Dictionary of English.
- noun (Chem.) Any one of a group of metametric hydrocarbons (C8H18) of the methane (paraffin) series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of gasoline or ligroin.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry Any of the eighteen
isomeric aliphatic hydrocarbons (C8H18) found inpetroleum , especially aniso-octane 2,2,4 trimethyl-pentane; they are used asfuels andsolvents .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any isomeric saturated hydrocarbon found in petroleum and used as a fuel and solvent
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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This higher octane is achieved through the use of tetraethyl lead as a fuel additive.
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High octane from the moment the audience joins Tatiana in the late twenty-first century in Port Uranium and five years later in the Northern Waste (graphic geography in a few concise words).
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But don’t forget that the heat of combustion of octane is 40% greater than the heat of combustion of ethanol (ethanol: 86863 BTU/gal, n-octane: 121577 BTU/gal).
Think Progress » Wall Street Journal Falsely Claims Ethanol is Responsible for High Gasoline Prices 2006
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It is called octane rating which is used in measurement to resist detonation.
CreationWiki - Recent changes [en] Hanna.kim 2010
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For example, a crude oil fractionator produces an overhead fraction called octane rating value.
Citizendium, the Citizens' Compendium - Recent changes [en] 2009
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Total spending on fuel has slumped significantly since the middle of last year when petrol peaked at about $2.20 for a litre of 91 octane, which is now at about $1.69 a litre.
Stuff.co.nz - Stuff 2009
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All the modern engines have these very sophisticated electronic engine-management systems so you can retard the ignition and the car won't ping, because it automatically will adjust to whatever kind of octane you're putting into it.
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When your owners 'manual says regular fuel, you'll get 87 octane which is pretty standard across the board.
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All the modern engines have these very sophisticated electronic engine-management systems so you can retard the ignition and the car won't ping, because it automatically will adjust to whatever kind of octane you're putting into it.
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When your owners 'manual says regular fuel, you'll get 87 octane which is pretty standard across the board.
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