triptane

noun

trip·​tane

ˈtripˌtān

plural -s

: 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

Word History

Etymology

trimethyl + p (alteration of b in butane) + butane

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