火力

1. Origins, structure, and basic meaning

• Structure: 火力, read かりょく, denotes the intensity of heat or heating power produced by a fire.
• Basic usage: In 鍋が沸騰したら火力を弱める。, the heat is reduced once the pot begins to boil.

2. Common pitfalls and similar expressions

• Heating power
  • 火力を弱める means reducing the power supplying heat. The word names the heating intensity rather than the current temperature inside the pot.