Refrigerator
Refrigerator
Refrigerator (pronunciation: /rɪˈfrɪdʒ.ər.eɪ.tər/) is a common household appliance that uses the process of refrigeration to preserve perishable food items and other substances by keeping them cool.
Etymology
The term "refrigerator" originates from the Latin word "refrigerare" which means "to make cool". The term was first used in the early 17th century to refer to a room for keeping food or drink cool. It was not until the 19th century that it began to be used to refer to a machine for this purpose.
Related Terms
- Refrigeration: The process of removing heat from an enclosed space or from a substance, thus lowering its temperature.
- Freezer: A component of most refrigerators, the freezer is a compartment that maintains a temperature below the freezing point of water.
- Thermodynamics: The branch of physics that deals with the relationships between heat and other forms of energy.
- Compressor: A mechanical device that increases the pressure of a gas by reducing its volume, commonly used in refrigerators.
- Evaporator: A device in a process in which a liquid is converted to a vapor, used in the refrigeration process.
Usage
Refrigerators are used in homes, restaurants, and hospitals for preserving food and medicine. They are also used in scientific research for storing samples at low temperatures.
See Also
External links
- Medical encyclopedia article on Refrigerator
- Wikipedia's article - Refrigerator
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