The term "refrigerator-freezer" can be replaced with other synonyms depending on the intended meaning. For instance, "fridge-freezer" and "freezer-fridge" can be used interchangeably. Other synonyms include "refrigeration unit", "cooler", "chiller", "icebox", and "cold storage". "Cold room" and "walk-in cooler" are synonyms used in commercial settings, while "mini-fridge" and "beverage cooler" are alternatives for smaller appliance versions. "Ice chest" refers to portable coolers or boxes used to keep food and beverages cool outside. These synonyms all describe appliances or storage solutions that provide a colder temperature than the surrounding ambient temperature to keep perishable items fresh.