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Antiknock Additive Crossword Clue

There is 1 exact and 111 possible answers.
We've checked our database and believe the answer is ETHYL which was last seen in the New York Times crossword.
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We think the answer to this crossword clue is: ETHYL

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Expand?LettersAnswerClue
99%5Exact Match!
noun

• the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom

42%9Additive that reduces engine knock
noun

• any of various compounds that are added to gasoline to reduce engine knocking

adjective satellite

• suppressing or eliminating engine knock in combustion engines

37%15 Organometallic compound used as an antiknock additive
No meanings yet for this word...

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Clue Last Found In...

Source #Number Answer
New York Times11 Aug 2013 Across 108
New York Times04 Feb 2010 Down 33
This clue was last seen in the publications above.

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