spark-plug insulator
1spark plug insulator — A highly stressed part of the spark plug, usually made of alumina ceramic, which serves to insulate the center electrode and the terminal stud from the shell; its material must have high dielectric, mechanical and thermal strength as well as good …
2Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… …
3plug insulator — See spark plug insulator …
4spark plug — A device containing two electrodes across which electricity jumps to produce a spark to fire the fuel charge. The center electrode is insulated from the spark plug shell by means of a molded insulator resembling porcelain. The side electrode… …
5spark plug boot — A molded rubber or plastic insulator which fits over a spark plug terminal …
6spark plug condition — A visual appearance of the spark plug electrodes and insulator …
7spark plug shell — The metal body of the spark plug which encloses the lower part of the insulator …
8spark plug — 1. a device designed to fit in each cylinder of a gasoline powered internal combustion engine and to produce the electric spark for igniting the mixture of gasoline and air. 2. Informal. a person who leads, inspires, or animates a group. [1900… …
9surface gap spark plug — A type of spark plug in which the spark is fired across the insulator surface between the center electrode and the shell; there is no side electrode …
10insulator — A unit made of a material that will not conduct electricity. The electricity in a copper wire covered with a plastic sleeve (insulator) cannot penetrate the sleeve. Also see spark plug insulator …
