triptane

triptane

[trip-teyn]
noun Chemistry.
a colorless liquid, C 7 H 17 , having high antiknock properties as a fuel: used chiefly as an admixture to airplane gasolines.

Origin:
1940–45; tri(methyl) b(u)tane (with p for b before t). See tri-, methyl

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triptane (ˈtrɪpteɪn)
 
n
a colourless highly flammable liquid alkane hydrocarbon, isomeric with heptane, used in aviation fuel; 2,2,3-trimethylbutane. Formula: CH3C(CH3)2CH(CH3)CH3
 
[C20: shortened and altered from trimethylbutane; see tri-, methyl, butane]

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