The term 'Cold Alternatives' can be summarized by the crossword solution 'FLUS'. This is an acronym for Fluids, which are liquids that can be used as alternatives to cold temperatures. Fluids can be used to cool down a person or object, and can also be used to regulate temperature in a variety of applications. Fluids are often used in medical settings, such as intravenous fluids, and in industrial settings, such as cooling systems.