re.frig.er.ant
adj.(形容词)Cooling or freezing; refrigerating.冷却的,冷冻的;冷藏的Medicine Reducing fever.【医学】 退烧的n.(名词)A substance, such as air, ammonia, water, or carbon dioxide, used to provide cooling either as the working substance of a refrigerator or by direct absorption of heat.致冷剂:能够提供空气、氨、水或二氧化碳等冷却的物质或可以用作电冰箱工作物质的一部分或可以用于直接吸热Medicine An agent used to reduce fever.【医学】 退热药:用来退烧的制剂