1. Something that is felt strongly and briefly in the mind, or a quick and strong emotion: Samuel had a sensation of having been in the town before.
2. A perception of, or conscious impression, of something brought about by the senses, such as hearing, seeing, touching, tasting, and smelling: The auto accident left Mary's right hand without a sensation or any feeling.

The cool breeze caused a strange sensation during the heat of the night.

3. A condition of some lively public interest and excitement: The news about the about the football team winning the championship caused a sensation at the university.

A dulled, unpleasant, or altered feeling that exists without an obvious stimulus: One example of an abnormal sensation is when a person has a burning feeling when there is no heat involved.

Abnormal sensations can result from damage to, or a pressure on, certain nerve pathways.

The most common types of abnormal sensations are tinnitus or numbness and/or feelings as if one is stuck with pins and needles. Sometimes such a sensation is combined with pain and even with a feeling of being very cold or a feeling of severe burning.

A subjective persistence of feeling something even after a stimulus has ceased to exist or is no longer there: During her physiotherapy appointments, Susan was given electric stimulation for her injured muscles and she said that she could usually feel the aftersensation of the electric stimulation which made her muscles feel relaxed.

An unpleasant feeling that comes from the internal organs, such as pain or an awareness of distention or fullness: Mr. Simon complained to his doctor about the visceral sensation which he experienced in his abdomen, especially after eating a big meal.