Final answer:
Allodynia refers to a condition characterized by an unpleasant sensation in response to a non-painful stimulus.
Step-by-step explanation:
Allodynia refers to a condition characterized by an unpleasant sensation in response to a normally non-painful stimulus. It is a type of hypersensitivity to stimuli that are not typically painful, such as light touch or temperature changes. An example of allodynia is when a gentle touch on the skin causes pain.