Antiknock — synonyms, definition

1. antiknock (Adjective)

antiknocking

antiknock (Adjective) — Suppressing or eliminating engine knock in combustion engines. ex. "antiknock rating"

2. antiknock (Noun)

antiknock (Noun) — Any of various compounds that are added to petrol to reduce engine knocking.

chemical compound compound lead tetraethyl tetraethyl lead