Definition of isooctane in English:

isooctane

noun ˌʌɪsəʊˈɒkteɪnˌīsōˈäktān

mass nounChemistry

A liquid hydrocarbon present in petroleum. It serves as a standard in the system of octane numbers.
〔化〕异辛烷
Chemical formula: (CH₃)₃CCH₂CH(CH₃)CH₃
Example sentencesExamples
- They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane.
- Mix gasoline with the right number of hydrocarbons and you get isooctane.
- The isooctane used was of spectroscopic grade.
- The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps.

Definition of isooctane in US English:

isooctane

nounˌīsōˈäktān

Chemistry

A liquid hydrocarbon present in petroleum. It serves as a standard in the system of octane numbers.
〔化〕异辛烷
Chemical formula: (CH₃)₃CCH₂CH(CH₃)CH₃
Example sentencesExamples
- The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps.
- Mix gasoline with the right number of hydrocarbons and you get isooctane.
- They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane.
- The isooctane used was of spectroscopic grade.

词汇	isooctane
释义	Definition of isooctane in English: isooctane noun ˌʌɪsəʊˈɒkteɪnˌīsōˈäktān mass nounChemistry A liquid hydrocarbon present in petroleum. It serves as a standard in the system of octane numbers. 〔化〕异辛烷 Chemical formula: (CH₃)₃CCH₂CH(CH₃)CH₃ Example sentencesExamples They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane. Mix gasoline with the right number of hydrocarbons and you get isooctane. The isooctane used was of spectroscopic grade. The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps. Definition of isooctane in US English: isooctane nounˌīsōˈäktān Chemistry A liquid hydrocarbon present in petroleum. It serves as a standard in the system of octane numbers. 〔化〕异辛烷 Chemical formula: (CH₃)₃CCH₂CH(CH₃)CH₃ Example sentencesExamples The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps. Mix gasoline with the right number of hydrocarbons and you get isooctane. They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane. The isooctane used was of spectroscopic grade.
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