(emergency medicine) A temporary improvement in a patient's condition after a traumatic brain injury, after which the condition deteriorates.

(exercise) Training based upon a series of high-intensity workouts interspersed with rest or relief periods.

(music) A chord that does not have one consistent interval.

(music) A chord characterized by one repeating interval.

plural of equal-interval chord

(mathematics) An interval in the real line which contains one of its endpoints but not the other one: i.e., it either contains its supremum or its infimum but not both.

plural of mixed-interval chord

(statistics) An improvement over the normal binomial approximation interval in that the actual coverage probability is closer to the nominal value.

plural of high-intensity interval training

(fitness) A fitness training regimen which generally involves short periods of vigorous exercise followed by short breaks.