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| any substance used to provide cooling (as in a refrigerator) | |||
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| a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transferring heat away from one part to another | |||
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| a mixture of substances (usually salt and ice) to obtain a temperature below the freezing point of water | |||
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| a liquid that boils at below -160 C and is used as a refrigerant |