A rapid and severe brain swelling caused by a second concussion before a first has sufficiently healed, such as may occur after suffering two concussions during the same sports match. It has catastrophic results and may cause death or permanent disability.

plural of second impact syndrome

plural of Charpy impact test

A written or oral statement by the victim of a crime, made as part of the judicial process to convey the impact that the crime has had upon the victim.

plural of victim impact statement

(medicine, pathology) A solid, immobile bulk of human feces that develops in the rectum as a result of chronic constipation.

plural of fecal impaction

plural of earwax impaction

(medicine, otolaryngology) Excessive earwax which impedes the passage of sound in the ear canal, causing various symptoms.

plural of adverse impact