Local color. local color-The true color of an object or a surface as seen in typical daylight, rather than its color as seen through atmosphere or interpreted by the taste or imagination of the artist. Thus the characteristic local color of a lemon is yellow.
A spark plugs reach is calculated by the length of the threads. It is measured from the seat of the plug to the end of the threads. It should be noted that the reach does not include the electrodes, or an extended metal shell. When custom-selecting a spark plug, the electrode length and projection should be included in the calculation when taking into consideration the clearance in the combustion chamber.
/ËspÉÉk/. noun. plural sparks. Learner's definition of SPARK. 1. [count]. a: a small piece of burning material that comes from a fire or is produced by rubbing or hitting two hard objects together. A spark from the fireplace set the rug on fire. The car's tailpipe made sparks as it scraped the road. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.