Synonyms of antiknock

Noun

1. antiknock, compound, chemical compound

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

Adjective

1. antiknock, antiknocking, leaded (vs. unleaded)

usage: suppressing or eliminating engine knock in combustion engines; "antiknock properties"; "antiknock rating"

Definition and meaning of antiknock (Dictionary)