intensity Definition

1. The quality or state of being intense.

Thesaurus: forcefulness, concentration, power, vehemence, violence, passion, fervour, ardour, extremity, severity, deepness, emphasis, ferociousness, wildness, fury, anger.
2. physics.
The rate at which power or radiant energy is transmitted per unit area by a wave or in the form of radiation, eg the loudness of sound or the brightness of light.
3. chem.
The concentration of a solution.
4. physics.
The power per unit area transmitted by a wave.