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Dictionary

oc•tane

Pronunciation: (ok'tān), [key]
—n. Chem.
1. any of 18 isomeric saturated hydrocarbons having the formula C₈H₁₈, some of which are obtained in the distillation and cracking of petroleum.
2. See octane number.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

octan

octane number

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