noting or pertaining to a substance, as tetraethyllead or ferrocene, used as a fuel additive for an internal-combustion engine to eliminate or minimize knock.
noun
2.
such a substance added to fuel in an internal-combustion engine.
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Antiknockis always a great word to know.
So is lollapalooza. Does it mean:
So is ort. Does it mean:
So is bezoar. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a chattering or flighty, light-headed person.
a scrap or morsel of food left at a meal.
the offspring of a zebra and a donkey.
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.