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From French densité



density ‎(plural densities)

  1. (physics) A measure of the mass of matter contained by a unit volume.
    • 2013 May-June, Kevin Heng, “Why Does Nature Form Exoplanets Easily?”, American Scientist, volume 101, number 3, page 184: 
      In the past two years, NASA’s Kepler Space Telescope has located nearly 3,000 exoplanet candidates ranging from sub-Earth-sized minions to gas giants that dwarf our own Jupiter. Their densities range from that of styrofoam to iron.
  2. The ratio of one quantity to that of another quantity.
    The number of particles per unit volume of a specified volume can be considered to be the particle density for the specified volume.
  3. The probability that an event will occur, as a function of some observed variable.

Derived terms[edit]


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