isooctane
noun Etymology: International Scientific Vocabulary Date: 1909 an octane of branched-chain structure or a mixture of such octanes; especially a flammable liquid octane used in determining the octane number of fuels

New Collegiate Dictionary. 2001.

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  • isooctane — [ izɔɔktan ] n. m. • déb. XXe ; angl. iso octane (1909); de iso et octane ♦ Chim. Isomère non linéaire de l octane. Spécialt Isomère de l octane (indice d octane : 100) présentant le meilleur rendement dans les moteurs à explosion. isooctane… …   Encyclopédie Universelle

  • isooctane — [ī΄sō äk′tān, ī΄səäk′tān] n. [ ISO + OCTANE] a liquid hydrocarbon, (CH3) 2CHCH2C(CH3) 3, used with normal heptane to prepare antiknock rating standards and arbitrarily assigned an octane rating of 100 …   English World dictionary

  • Isooctane — Iso octane Général Nom IUPAC …   Wikipédia en Français

  • isooctane — izooktanas statusas T sritis chemija formulė (CH₃)₃CCH₂CH(CH₃)₂ atitikmenys: angl. isooctane rus. изооктан ryšiai: sinonimas – 2,2,4 trimetilpentanas …   Chemijos terminų aiškinamasis žodynas

  • isooctane — /uy soh ok tayn/, n. Chem. the octane C8H18, used as one of the standards in establishing the octane number of a fuel. Cf. octane number. [1905 10; ISO + OCTANE] * * * …   Universalium

  • isooctane — noun any isomer of n octane; especially 2,2,4 trimethylpentane, used as a reference in the determination of the octane number of fuel …   Wiktionary

  • isooctane — [ˌʌɪsəʊ ɒkteɪn] noun Chemistry a liquid hydrocarbon present in petroleum, used as a standard in the system of octane numbers …   English new terms dictionary

  • isooctane — iso·octane …   English syllables

  • isooctane — i•so•oc•tane [[t]ˌaɪ soʊˈɒk teɪn[/t]] n. chem. the octane isomer used as one of the standards in fixing the octane number of a fuel • Etymology: 1905–10 …   From formal English to slang

  • isooctane — | ̷ ̷ ̷ ̷+ noun Etymology: International Scientific Vocabulary is + octane : an octane of branched chain structure or a mixture of such octanes: as a. : the flammable liquid hydrocarbon (CH3)2CH(CH2)4CH3 in whose molecule there is branching onl …   Useful english dictionary

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