A refrigerant is a substance used to cool or freeze objects. The crossword solutions for the term refrigerant include Freon (5 letters), a chlorofluorocarbon used as a refrigerant; Cryogen (7 letters), a substance that can be liquefied at very low temperatures; ICE (3 letters), a solid form of water; Icer (4 letters), a device used to make ICE; BRINE (5 letters), a solution of salt and water; COOLER (6 letters), a device used to keep things cold; Dryice (6 letters), solid carbon dioxide used to cool things; and Ethane (6 letters), a hydrocarbon used as a refrigerant.