Dictionary.com

triptane

[ trip-teyn ]
/ ˈtrɪp teɪn /
Save This Word!

noun Chemistry.
a colorless liquid, C7H17, having high antiknock properties as a fuel: used chiefly as an admixture to airplane gasolines.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of triptane

1940–45; tri(methyl)b(u)tane (with p for b before t). See tri-, methyl
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for triptane

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

Word Origin for triptane

C20: shortened and altered from trimethylbutane; see tri-, methyl, butane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK