combustione
combustion
noun kohm-boos-TYOH-neh Rare
Origin: From Latin 'combustio'.
Usage Note
Combustione is feminine; plural combustioni. It is primarily a technical/scientific term: camera di combustione (combustion chamber), motore a combustione interna (internal combustion engine). In everyday Italian it rarely appears outside technical contexts — incendio or fuoco are used for everyday fire events.
Examples
"Il motore a combustione interna inquina molto."
Natural Translation
The internal combustion engine pollutes a lot.

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