refrigerant
/rɪˈfrɪdʒərənt/
noun
- A substance used in cooling systems, such as air conditioners and refrigerators, that absorbs heat and changes from a liquid to a gas.
- Technicians must handle refrigerant carefully because it can be harmful to the environment.
- The old air conditioner leaked refrigerant into the atmosphere.
- Many modern refrigerators use a safer type of refrigerant than older models.