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Defrost Systems in Household Refrigerators. The process of removing the ice or frost from the evaporator or freezer is called as defrosting. The automatic controls employed in the present day refrigerators to prevent the formation of frost on the evaporators are called as the defrost systems. slide 2 of 5.
It's definitely not recommended to defrost meat at room temperature. In fact, you are not supposed to leave meat at room temperature for more than an hour. However, defrosting in the refrigerator can take a long time and require you to plan at least one day ahead of time. I'm not so good at this, which leads to a safe and fast solution: Defrost meat in a waterproof ziploc bag in cold water. Change the water every 30 minutes until defrosted.