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A '''refrigerator''' (colloquially '''fridge''') is a common household appliance used to keep [[food]] cooled to a temperature below the ambient temperature of the room. It consists of a thermally insulated compartment and a heat pump (mechanical, electronic, or chemical).
The refrigerator is a relatively new kitchen appliance, having replaced the [[icebox]].
'''Refrigeration''' is the process of removing heat from an enclosed space.
==History==
Before mechanical refrigerators were introduced, people cooled their food with ice and snow. People dug holes in the ground and made cellars lined with wood or straw, then filled them with ice. This was how people refrigerated their food for most of history.
The first known artificial refrigeration was conducted by the Muslim physicist and chemist Ibn Sina.
[[Category:Appliances]]
The refrigerator is a relatively new kitchen appliance, having replaced the [[icebox]].
'''Refrigeration''' is the process of removing heat from an enclosed space.
==History==
Before mechanical refrigerators were introduced, people cooled their food with ice and snow. People dug holes in the ground and made cellars lined with wood or straw, then filled them with ice. This was how people refrigerated their food for most of history.
The first known artificial refrigeration was conducted by the Muslim physicist and chemist Ibn Sina.
[[Category:Appliances]]