Shirabe
燃焼
Common Noun Irregular Intransitive
English jmdict
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb burning;combustion
Pollutants like this derive mainly from the combustion of fuel in car engines.
2
noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verb exerting all strength;making an effort