Definition of "precombustion" [precombustion]

• Alternative spelling of pre-combustion. (adjective)

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• "By April 1983 it was clear that Japan would be exporting automotive precombustion chambers in significant volume to U.S. car manufacturers."
• "In fact, Hitachi Metals, which had investment-casting experience in Japan, made inroads into the U.S. precombustion chamber market as early as 1981."
• "For instance, handguns and automotive precombustion chambers were very quality sensitive."