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Regular, midgrade and premium rating
Answer for the clue "Regular, midgrade and premium rating ", 6 letters:
octane
Alternative clues for the word octane
Word definitions for octane in dictionaries
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
hydrocarbon of the methane series, 1872, coined from octo- (see octa- ) + -ane ; so called because it has eight carbon atoms. A fuel's octane rating , in reference to its anti-knocking quality, is attested from 1932.
Usage examples of octane.
Shenzhen was a megalopolis in a hurry, a boom town city going at a furious pace twenty-four hours a day, running at full blast on the high octane fuel that was the most profane of words in all of Communist China: capitalism.
Back before all the friendly microbes of today that cheerfully turn our garbage into high octane, nonpolluting fuel or churn out the monoclonal antibodies that cure everything from colds to cancer.
He knew the blade capacity of each sword swallower and the octane rating of every fire eater.