Crossword puzzle clue "old antiknock additive"

Here are the possible solutions for old antiknock additive clue

Answer
Clue
Relevancy
ethyl
Clue
Old antiknock additive
Antiknock additive
Old antiknock fuel
Old antiknock gasoline
Antiknock fluid
Antiknock agent
Antiknock fuel
Definition
a univalent chemical radical, also ETHINYL, ETHOXY, ETHOXYL, ETHYNYL
ether
Clue
Antiknock additive
Definition
a volatile liquid used as an anaesthetic

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