densimˈetry noun

densitomˈeter noun

An instrument for measuring the optical transmission or reflecting properties of a material, in particular the optical density of photographic images

densitometˈric adjective

densitomˈetry noun

densˈity noun

1. The quality or degree of being thick, closely-spaced or compact
2. The proportion of a mass to its bulk or volume
3. The quantity of matter per unit of bulk
4. The extent to which data can be packed onto a magnetic disk (computing)

dense-media process noun (mining)

A method of separation in which dispersion of a heavy mineral in water separates lighter (floating) ore from heavier (sinking) ore

density gradient centrifugation noun (biology)

The separation of cells, cell components or complex molecules on the basis of their density differences by centrifuging them to their density equilibrium positions in gradients established in appropriate solutions