燃焼

1. Origins, structure, and basic meaning

• Structure: Written 燃焼 and read ねんしょう, it is the process in which fuel reacts with oxygen and releases energy as heat and often light.
• Basic usage: It appears in vigorous burning of dry firewood and a model explaining complete fuel combustion.

2. Common pitfalls and similar expressions

• Chemical process, not flame alone
  • Combustion can occur even when a visible flame is not the main observable feature.