Hidrosis is a medical term that refers to excessive sweating. There are various synonyms for this term that are commonly used in medical literature. One such synonym is hyperhidrosis, which refers to the condition of excessive sweating beyond what is necessary to regulate body temperature. Another synonym is diaphoresis, which is a medical term used to describe excessive sweating that occurs due to a medical condition or as a side effect of medication. Anhidrosis is another term that is used to describe the condition of reduced sweating. Lastly, sudoresis is a synonym for hidrosis which refers to the production of normal amounts of sweat. All of these synonyms are used to describe different aspects of sweating and can be used interchangeably depending on the context.