angle of advance
the angle in excess of 90° that a steam-engine valve gear is in advance of the crank
the angle between the point of ignition and bottom dead-centre in a spark-ignition engine
“Compliment” vs. “Complement”: How To Pick The Right WordCompliment and complement are commonly confused terms because they're pronounced alike and originally shared some meanings ...
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012