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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A small electric heating element in an internal-combustion engine that facilitates starting by preheating the air in a cylinder and is used especially in diesel engines.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a device in a diesel engine that heats the combustion chamber to help ignition


Sorry, no etymologies found.


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