Antiknock

[,æntɪ'nɒk] or [,æntɪ'nɑk]

解釋/意思:

(noun.) any of various compounds that are added to gasoline to reduce engine knocking.

(adj.) suppressing or eliminating engine knock in combustion engines; 'antiknock properties'; 'antiknock rating' .

錄入:提托--From WordNet