'Intensity' definitions:

Definition of 'intensity'

(from WordNet)
noun
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" [syn: intensity, strength, intensity level]
noun
High level or degree; the property of being intense [syn: intensity, intensiveness]
noun
The magnitude of sound (usually in a specified direction); "the kids played their music at full volume" [syn: volume, loudness, intensity] [ant: softness]
noun
Chromatic purity: freedom from dilution with white and hence vivid in hue [syn: saturation, chroma, intensity, vividness]

Definition of 'Intensity'

From: GCIDE
  • Intensity \In*ten"si*ty\, n. [LL. intensitas: cf. F. intensit['e]. See Intense.] [1913 Webster]
  • 1. The state or quality of being intense; intenseness; extreme degree; as, intensity of heat, cold, mental application, passion, etc. [1913 Webster]
  • If you would deepen the intensity of light, you must be content to bring into deeper blackness and more distinct and definite outline the shade that accompanies it. --F. W. Robertson. [1913 Webster]
  • 2. (Physics) The amount or degree of energy with which a force operates or a cause acts; effectiveness, as estimated by results produced. [1913 Webster]
  • 3. (Mech.) The magnitude of a distributed force, as pressure, stress, weight, etc., per unit of surface, or of volume, as the case may be; as, the measure of the intensity of a total stress of forty pounds which is distributed uniformly over a surface of four square inches area is ten pounds per square inch. [1913 Webster]
  • 4. (Photog.) The degree or depth of color or shade in a picture. [1913 Webster]

Synonyms of 'intensity'

From: Moby Thesaurus