結晶

1. Origins, structure, and basic meaning

• Structure: 結晶 is read as けっしょう and can mean a physical crystal or the culmination of sustained effort.
• Basic usage: It can refer to white crystals left by dried saltwater or a production created through performers' and staff's efforts.

2. Common pitfalls and similar expressions

• A physical crystal
  • 結晶 refers to the white solid left on the dish after saltwater dries. Example: 塩水を乾かすと、皿の上に白い結晶が残った。
• The result of collective effort
  • 努力の結晶 means a result in which many people's efforts have come together. Example: この舞台は出演者とスタッフの努力の結晶だ。