Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The quality or condition of being dense.
  • noun The quantity of something per unit measure, especially per unit length, area, or volume.
  • noun The mass per unit volume of a substance under specified conditions of pressure and temperature.
  • noun Computers A measure of the number of bits that can be stored in a given amount of physical space on a storage medium.
  • noun The number of individuals, such as inhabitants or housing units, per unit of area.
  • noun The degree of optical opacity of a medium or material, as of a photographic negative.
  • noun Thickness of consistency; impenetrability.
  • noun Complexity of structure or content.
  • noun Stupidity; dullness.

from The Century Dictionary.

  • noun In photography, opacity of the developed film of a negative.
  • noun The quality of being dense, close, or compact; closeness of constituent parts; compactness, actual or relative.
  • noun The mass or amount of matter per unit of bulk.
  • noun In electricity, the quantity of electricity per unit of volume at a point in space, or the quantity of electricity per unit of area at a point on a surface.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The quality of being dense, close, or thick; compactness; -- opposed to rarity.
  • noun (Physics) The ratio of mass, or quantity of matter, to bulk or volume, esp. as compared with the mass and volume of a portion of some substance used as a standard.
  • noun (Photog.) Depth of shade.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics A measure of the amount of matter contained by a given volume.
  • noun The ratio of one quantity to that of another quantity.
  • noun The probability that an event will occur, as a function of some observed variable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the amount per unit size
  • noun the spatial property of being crowded together

Etymologies

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Examples

  • The article does not say how the ultra high strength or higher density is achieved, I would expect it is with the addition of admixtures which can be hazardous to the environment and expensive.

    MIT Discovery Means Next-Gen Concrete Could Last for 16,000 Years | Inhabitat 2009

  • The question supplies an important clue: the word "density."

    How to Ace a Google Interview William Poundstone 2011

  • When I asked how this could be she waxed a little wroth at what she called my density, and asked if I did not appreciate that we should have to move at any rate in a year or two in order to provide the children with a bedroom apiece.

    The Opinions of a Philosopher Robert Grant 1896

  • He was surprised at what he called our density, and said the thing was all clear and simple to him.

    Stage-Land 1893

  • As you remember before we got the resistivity on this log we had seen what we called a density to neutronic cross affect and if these sands had salicious or over growths of parts, that was sucking off the [frosting] then your frosting wouldn't be there.

    SeekingAlpha.com: Home Page 2010

  • There was good news on the keyword density front as searches with the word "density" in them were down (- 32. 91%).

    High Rankings Advisor Newsletter Feed 2009

  • (tries really hard not to call [Bill in Central District], who supports the suburbs, a NIMBY) "the myth that higher density is the solution" Pleast tell me in what way that's a myth.

    Requiem for the Suburbs Revue « PubliCola 2010

  • To that end balancing sex ratios and population density is key.

    Big Buck or Big Brother? 2009

  • To that end balancing sex ratios and population density is key.

    Big Buck or Big Brother? 2009

  • The sea was covered by a fog, or, rather, by a pearly mist that was fog-like in density, in so far as it obstructed vision, but that was no more than a film on the sea, for the sun shot it through and filled it with a glowing radiance.

    THE SEED OF McCOY 2010

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