Definition of density in English:


Syllabification: den·si·ty
Pronunciation: /ˈdensitē

noun (plural densities)

  • 1The degree of compactness of a substance: a reduction in bone density
    More example sentences
    • Because it is a weight bearing activity, skating can build bone density to a certain degree.
    • Encouraging the consumption of this single food, milk, may have lasting implications for nutrient density, bone health and body weight.
    • Syncopation in varying degrees of rhythmic density plays an important role in ‘Kohntarkosz.’
    solidity, solidness, denseness, thickness, substance, mass; compactness, tightness, hardness
  • 1.1 Computing A measure of the amount of information on a storage medium (tape or disk). For magnetic tape it is the amount of information recorded per unit length of tape (bits per inch or millimeter); for a disk, a fixed number of bits per sector, sectors per track, and tracks per disk: chip density doubles every eighteen months [as modifier, in combination]: a low-density 5.25-inch floppy disk a drive capable of handling high-density 1.44 megabyte disks
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    • With its incredibly high storage density, the DVD might just be the solution to two vexing problems.
    • While in its early stages, the technology shows potential for high speed, high density storage of data, while retaining data even when power is turned off.
    • One way to increase storage capacity is to increase the areal density of the medium.
  • 1.2 Physics Degree of consistency measured by the quantity of mass per unit volume.
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    • We are further informed that scientific theories fail at a singularity, which is an event involving infinite mass, density, pressure and temperature.
    • The formula is easily derived by making assumptions about the mass density of the earth.
    • That is based on its average density, calculated by dividing total mass by volume.
  • 1.3The opacity of a photographic image.
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    • While the imagery was similar, the format and the images' density were not.
    • Hot and cool colors come together explosively within individual dishes, offering various effects of density and opacity.
    • Phone based cameras don't yet have sufficient image density to compete with true digital cameras, but they will in a few short years.
  • 1.4The quantity of people or things in a given area or space: areas of low population density a density of 10,000 per square mile
    More example sentences
    • The low population density in rural areas makes the provision of specialized mental health services in those areas impractical.
    • It is not known why the understory of the Hermit forest had such uncharacteristically low total stem density and total basal area.
    • The Government should develop a specific number of roads every year according to the traffic density of the area concerned.


early 17th century: from French densité or Latin densitas, from densus 'dense'.

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