연소가 · 연소를
combustion, burning
Example
나무가 연소할 때 이산화탄소가 나옵니다.
Carbon dioxide is released when wood burns.
Word parts
연 burn+소 burn
Literally 'burn' + 'burn' — two characters for burning.
Good to know
Homonym warning: 연소 (年少) means 'young in age', as in 최연소 'the youngest'.
Related words