intensity in WordNet English dictionary

1. chromatic purity: freedom from dilution with white and hence vivid in hue
   saturation  chroma  intensity  vividness 
   
2. high level or degree; the property of being intense
   intensity  intensiveness 
   
3. the magnitude of sound (usually in a specified direction)
   "the kids played their music at full volume"
   volume  loudness  intensity 
   
4. the amount of energy transmitted (as by acoustic or electromagnetic radiation)
   "he adjusted the intensity of the sound"; "they measured the station's signal strength"
   intensity  strength  intensity level