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triptane

[ trip-teyn ]

Phonetic (Standard)IPA

noun

, Chemistry.

a colorless liquid, C 7 H 17 , having high antiknock properties as a fuel: used chiefly as an admixture to airplane gasolines.

triptane

/ ˈtrɪpteɪn /

noun

a colourless highly flammable liquid alkane hydrocarbon, isomeric with heptane, used in aviation fuel; 2,2,3-trimethylbutane. Formula: CH 3 C(CH 3 ) 2 CH(CH 3 )CH 3

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Word History and Origins

Origin of triptane¹

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

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Word History and Origins

Origin of triptane¹

C20: shortened and altered from trimethylbutane ; see tri- , methyl , butane

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April 18, 2024petrichor

[pet-ri-kawr]

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