Definition of triptane
: a liquid hydrocarbon (CH3)3CCH(CH3)2 that is one of the highest antiknock motor fuels known and hence is a valuable blending agent especially for aviation gasolines to increase their power; 2,2,3-trimethyl-butane
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Origin and Etymology of triptane
trimethyl + p (alteration of b in butane) + butane
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