冷媒

1. Origins, structure, and basic meaning

• Structure: 冷媒, read れいばい, denotes a refrigerant substance circulated through cooling equipment to transfer heat.
• Basic usage: It names the substance checked for leaks and circulated through equipment to transfer heat.

2. Common pitfalls and similar expressions

• Refrigeration through heat transfer
  • It does not simply mean a cold substance; its role is to carry heat within a refrigeration system.