Search Result for "antiknock": 
Wordnet 3.0

NOUN (1)

1. any of various compounds that are added to gasoline to reduce engine knocking;


ADJECTIVE (1)

1. suppressing or eliminating engine knock in combustion engines;
- Example: "antiknock properties"
- Example: "antiknock rating"
[syn: antiknock, antiknocking]



WordNet (r) 3.0 (2006):

antiknock
    adj 1: suppressing or eliminating engine knock in combustion
           engines; "antiknock properties"; "antiknock rating" [syn:
           antiknock, antiknocking]
    n 1: any of various compounds that are added to gasoline to
         reduce engine knocking