浄化

1. Origins, structure, and basic meaning

• Structure: 浄化(じょうか) means purification or cleansing and can also be used figuratively for the mind.
• Basic usage: It describes purifying water with a device before reusing it.
  • 装置で汚れた水を浄化してから再利用する。

2. Common pitfalls and similar expressions

• Physical and figurative cleansing
  • 水を浄化する means to purify water. 心が浄化される figuratively expresses a feeling that one's mind has been cleansed.
• Cleaning and purification
  • 掃除(そうじ) refers to cleaning away dust or rubbish. 浄化 focuses on removing something dirty or impure to produce a cleaner state.