Share on Facebook Share on Twitter Email
Answers.com

antiknock agent

 
Chemistry Dictionary: antiknock agent
 

A petrol additive that inhibits preignition ('knocking') in internal-combustion engines. Antiknock agents work by retarding combustion chain reactions. The commonest, lead(IV) tetraethyl, causes environmental pollution, and its use is being discouraged.



Search unanswered questions...
Enter a word or phrase...
All Community Q&A Reference topics
 
 

 

Copyrights:

Chemistry Dictionary. A Dictionary of Chemistry. Sixth Edition. Copyright © Market House Books Ltd, 2008. All rights reserved.  Read more