1. The compactness of an element that reflects impenetrability. 2. The amount of space for each person in an area. See population density- social density- spatial density. 3. The quality of a sound in auditory perception.
1. The compactness of an element that reflects impenetrability. 2. The amount of space for each person in an area. See population density- social density- spatial density. 3. The quality of a sound in auditory perception.