| | - densitometer
- device that measures the density, or the degree of darkening, of a photographic film or plate by recording photometrically its transparency (fraction of incident light transmitted). In visual methods, two beams of equal intensity are used. One is directed through ...
- density
- mass of a unit volume of a material substance, expressed as kilograms per cubic metre in MKS or SI units; the densities of common solids, liquids, and gases are listed in textbooks and handbooks. Density offers a convenient means of ...
- density current
- any current in either a liquid or a gas that is kept in motion by the force of gravity acting on small differences in density. A density difference can exist between two fluids or between different parts of the same ...
- Densmore, Frances
- ethnologist, foremost American authority of her time on the songs and music of American Indian tribes, and widely published author on Indian culture and life-styles.
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