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A colorless liquid antiknock additive, C7H16, used in aviation fuels.

[Shortening and alteration of trimethylbutane : tri- + methyl + butane.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) 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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈtrɪp teɪn)

a colorless liquid, C7H17, having high antiknock properties as a fuel: used chiefly as an admixture to airplane gasolines.
[1940–45; tri(methyl)b(u)tane (with p for b)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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For triptane only a conventional BOB (CBOB) intended for blending E10 in winter months was used for DVPE, distillation, and blending octane measurements.
Triptane (at 25 vol%) increases T10 (reduced volatility) and decreases T90 while having no effect on T50.
Examination of patients for usage of symptomatic triptane revealed that whereas 6(15%) patients had a history of triptane usage (mean serum HSP-70 level: 2.781.23 ng/dl), 34(85%) patients did not use triptane (serum HSP-70 level: 2.301.67 ng/dl).
Once diagnosed, treatment includes a dose of steroids, calaptin and triptane nasal strips.