沸騰

1. Origins, structure, and basic meaning

• Structure: Spelling: 沸騰. Reading: ふっとう. Core meaning: boiling.
• Basic usage: Representative examples: 鍋の水が沸騰して泡が大きくなった / 実験では液体が沸騰する様子を記録した.

2. Common pitfalls and similar expressions

• Boiling versus heating
  • 沸騰する means a liquid reaches the state of boiling and forms large bubbles. Unlike 温める, merely warming something, it indicates reaching the boiling stage.