Final answer:
The medical suffix 'denia' generally denotes a condition related to secretions or excretions, indicating an abnormal increase or specific state in the term it complements.
Step-by-step explanation:
The suffix 'denia' in medical terms typically refers to a state or condition, often pertaining to secretions or excretions. For instance, the medical term 'polydipsia' denotes a condition of excessive thirst, leading to excessive drinking. This suffix is used in various medical terminologies to indicate an abnormal increase or condition that is specific to the term it is attached to.