Octane rating — or octane number is a standard measure of the anti knock properties (i.e. the performance) of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating. In broad terms, fuels with a… … Wikipedia
octane rating — noun a measure of the antiknock properties of gasoline • Syn: ↑octane number • Hypernyms: ↑measure, ↑quantity, ↑amount * * * noun see octane number * * * octane number or … Useful english dictionary
Octane rating — A number used to indicate gasoline s antiknock performance in motor vehicle engines. The two recognized laboratory engine test methods for determining the antiknock rating, i.e., octane rating, of gasolines are the Research method and the Motor … Energy terms
octane rating/number — An indicator of a fuel’s ability to burn at a controlled rate at high temperatures and pressures without causing a detonation (very rapid burning or exploding). This number is expressed as a percentage by volume of iso octane in a mixture with a… … Aviation dictionary
octane rating — noun see octane number … New Collegiate Dictionary
octane rating — see octane number … Dictionary of units of measurement
octane rating — See octagon number … Dictionary of automotive terms
Octane (disambiguation) — Octane may refer to: Octane, an alkane with the chemical formula C8H18 Octane rating, a gasoline rating system Octane (Transformers), a Decepticon in the Transformers toyline SGI Octane, an SGI computer Octane (band), a rock band from… … Wikipedia
octane — (n.) hydrocarbon of the methane series, 1872, coined from octo (see OCTA (Cf. octa )) + ANE (Cf. ane); so called because it has eight carbon atoms. A fuel s octane rating, in reference to its anti knocking quality, is attested from 1932 … Etymology dictionary
octane number — ☆ octane number or octane rating n. a number representing the antiknock properties of a gasoline, fuel mixture, etc., determined by the percentage of isooctane that must be mixed with normal heptane to produce the knocking quality of the fuel… … English World dictionary
