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TOEFL BNC: 12420 COCA: 9802

combustion

combustion /kəmˈbʌstʃən/ noun
combustion
/kəmˈbʌstʃən/
noun
Learner's definition of COMBUSTION
[noncount] technical
: the act of burning燃烧
see also spontaneous combustion
technical : a chemical reaction that occurs when oxygen combines with other substances to produce heat and usually light燃烧(一种化学反应)
see also internal combustion engine

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