(n.) The state or quality of being intense; intenseness;
extreme degree; as, intensity of heat, cold, mental application,
passion, etc.
(n.) The amount or degree of energy with which a force
operates or a cause acts; effectiveness, as estimated by results
produced.
(n.) 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.
(n.) The degree or depth of shade in a picture.
