a liquid alkane, (CH)CHC(CH), used as a high antiknock fuel in internal-combustion engines, esp. in airplanes
Origin of triptanecontr. ; from tripentane: see tri- and amp; pentane
A colorless liquid antiknock additive, C7H16, used in aviation fuels.
Origin of triptaneShortening and alteration of trimethylbutane : tri– + methyl + butane.