Look up: Knocking

1. knocking
   Detonation in engine cylinders, accompanied by a knocking sound, associated with decrease in power output and overheating Category: The chemical industry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
2. Knocking
   Knock'ing noun A beating; a rap; a series of raps. « The . . . repeated knockings of the head upon the ground by the Chinese worshiper.» H. Spencer.
   Found on http://www.encyclo.co.uk/webster/K/16
   
   
3. knocking
   noun the sound of knocking (as on a door or in an engine or bearing); `the knocking grew louder`
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
4. Knocking
   • (n.) A beating; a rap; a series of raps. • (p. pr. & vb. n.) of Knock
   Found on http://thinkexist.com/dictionary/meaning
   
   
5. knocking
   in an internal-combustion engine, sharp sounds caused by premature combustion of part of the compressed air-fuel mixture in the cylinder. In a ... [4 related articles]
   Found on http://www.britannica.com/eb/a-z/k/41
   
   
6. knocking
   
   • deliver a sharp blow or push
   • rap with the knuckles
   • make light, repeated taps on a surface
   • of car engines, when firing too early
   
   Found on
   
   
7. knocking
   In a spark-ignition petrol engine, a phenomenon that occurs when unburned fuel-air mixture explodes in the combustion chamber before being ignited by the spark. The resulting shock waves produce a metallic knocking sound. Loss of power occurs, which can be prevented by reducing the compression ratio, re-designing the geometry of the com...
   Found on http://www.talktalk.co.uk/reference/ency
   
   
8. Knocking
   (film) `Knocking` is a 2006 documentary film directed by Joel Engardio and Tom Shepard that focuses on the civil liberties fought for by Jehovah`s Witnesses. It focuses primarily on the stories of three Jehovah`s Witnesses, and how their lives demonstrate three fundamental Witness teac...
   Found on http://en.wikipedia.org/wiki/Knocking