- (of gasoline) boiling at a relatively low temperature.
Origin of high-test
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for high-test
It was mid-afternoon before the "Winged Arrow" was towed across to the dock and her tanks refilled with high-test gasoline.Tom Swift and His Giant Telescope
Then the motor roared and he and the engineer, took off at double the speed she could make on high-test gas.The Sky Is Falling
Lester del Rey
- Relating to highly volatile high-octane gasoline.
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