冷却

1. Origins, structure, and basic meaning

• Structure: 冷却 is read as れいきゃく and means “cooling”.
• Basic usage: The examples show cooling hot metal with water and waiting for a device to cool.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is the process of lowering temperature, often controlled with equipment, water, or air, rather than simply becoming cool 冷える.