Search Result for "spark advance":
Wordnet 3.0

NOUN (1)

1. the timing of ignition relative to the position of the piston in an internal-combustion engine;
[syn: spark advance, lead]



WordNet (r) 3.0 (2006):

spark advance
    n 1: the timing of ignition relative to the position of the
         piston in an internal-combustion engine [syn: spark
         advance, lead]