Intensity.
: the quality or state of being intense; especially : extreme degree of strength, force, energy, or feeling
2
: the magnitude of a quantity (as force or energy) per unit (as of area, charge, mass, or time)

Medical Definition of INTENSITY

1
: the quality or state of being intense; especially : extreme degree of strength, force, energy, or feeling
2
: the magnitude of a quantity (as force or energy) per unit (as of surface, charge, mass, or time)