Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A substance, such as tetraethyl lead, added to gasoline to reduce engine knock.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective of an
additive added topetroleum /gasoline toreduce theoccurrence of engine knock. - noun Such a substance, usually
tetraethyl lead (alsoMMT ,MTBE andethanol )
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any of various compounds that are added to gasoline to reduce engine knocking
- adjective suppressing or eliminating engine knock in combustion engines
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Support
Help support Wordnik (and make this page ad-free) by adopting the word antiknock.
Examples
-
They replaced the last of the lead-like antiknock with ethanol in big part due toADM.
The Volokh Conspiracy » Non-Ethanol Gas in the DC Area: 2009
-
Distillate fuels and heavy oils were heated under pressure in large drums until they cracked into smaller molecules with better antiknock characteristics.
Cracking 2008
-
It was then discovered that cracked gasoline was actually preferable to “straight run” gasoline because it had much superior antiknock properties.
The Prize Daniel Yergin 2008
-
Moreover, cracked gasoline actually had a much better antiknock value than natural gasoline, which meant more power and allowed for higher-compression engines.
The Prize Daniel Yergin 2008
-
It was then discovered that cracked gasoline was actually preferable to “straight run” gasoline because it had much superior antiknock properties.
The Prize Daniel Yergin 2008
-
Moreover, cracked gasoline actually had a much better antiknock value than natural gasoline, which meant more power and allowed for higher-compression engines.
The Prize Daniel Yergin 2008
-
The important qualities for gasoline are octane number (antiknock), volatility (starting and vapor lock), and vapor pressure (environmental control).
Petroleum refining 2007
-
Tetraethyl lead, gasoline antiknock additive, produced by Thomas Midgley (18891994).
-
ATL Racing Fuel Cells, Ramsey, NJ, May 30, 2008: Most unleaded racing fuels contain "ethanol" as an antiknock, but ethanol settles out if moisture gets into your fuel cell.
-
Check your car’s owner manual for the recommended fuel (unleaded gasoline versus diesel) and octane rating or antiknock index (on the yellow sticker affixed to the pump).
How To Buy & Sell just about Everything Jeff Wuorio 2003
bilby commented on the word antiknock
Antiknock antiknock.
January 24, 2016
bilby commented on the word antiknock
Who's not there?
January 24, 2016