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neohexane
neohexane n. 
/nɪəˈhɛkseɪn/,
Brit. /ˌniːə(ʊ)ˈhɛkseɪn/
, /ˌniːə(ʊ)ˈhɛkseɪn//nɪəˈhɛkseɪn/U.S. /ˌnioʊˈhɛkˌseɪn/
an isomer of hexane which is a colourless volatile liquid used in motor and aviation fuel; 2,2-dimethylbutane, (CH3)3CCH2CH3./ˌnioʊˈhɛkˌseɪn/ΚΠ
1876 W. Odling in London, Edinb., & Dublin Philos. Mag. 5th Ser. 1 207 (caption) Neohexane.
1942 V. J. Clancey Chem. & Aeroplane iv. 64 Neo-hexane, with an octane value of 94, has been produced for use in blending with normal aviation fuels.
1987 Proc. National Acad. Sci. U.S.A. 84 4740 The samples were dosed with an effusive molecular beam source to carefully control the surface coverage of such secondary adsorbates as..neohexane [etc.].
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