exothermic
🇺🇸
/ˌeksəʊˈθɜːrmɪk/
🇬🇧
/ˌeksəʊˈθɜːmɪk/
A chemical reaction that releases heat.
The combustion of wood is an exothermic reaction that produces heat and light.
木材的燃燒是一種放熱反應,會產生熱和光。