Hospital-clean is a term used to describe the cleanliness of a hospital environment. It requires that all surfaces and equipment be kept free of germs and bacteria, and that all staff members follow strict hygiene protocols. The two crossword solutions for this term are 'STERILE' and 'ASEPTIC'. STERILE refers to an environment or object that has been completely sterilized, meaning it is free of any living microorganisms. ASEPTIC refers to an environment or object that has been treated with antiseptics to reduce the risk of infection. Both terms are important for maintaining a safe and healthy hospital environment.