- the state or quality of being dense; compactness; closely set or crowded condition.
- stupidity; slow-wittedness; obtuseness.
- the number of inhabitants, dwellings, or the like, per unit area: The commissioner noted that the population density of certain city blocks had fallen dramatically.
- mass per unit volume.
- Electricity.
- the quantity of electricity per unit of volume at a point in space, or the quantity per unit of area at a point on a surface.
- current density.
- the degree of opacity of a substance, medium, etc., that transmits light.
- the relative degree of opacity of an area of a negative or transparency, often expressed logarithmically.
- a measure of the compactness of data saved on a storage medium, as disk or tape, or displayed on an electronic screen.
- the degree to which something is filled, crowded, or occupied
- obtuseness; stupidity
- a measure of the compactness of a substance, expressed as its mass per unit volume. It is measured in kilograms per cubic metre or pounds per cubic foot
- a measure of a physical quantity per unit of length, area, or volume
- physics photog See transmission density, reflection density
