Density describes how compact or concentrated something is. For example, suppose you have two boxes, one large and one small. However, they both weigh the same. That means the small box has a higher density than the large box.

Density also tells how concentrated or crowded something is. You may have heard of population density. In a city, there are many people packed into a small area, giving it a high population density. In a rural area, there are more fields or wooded areas between houses. That means there are fewer people living in a larger area, which is why it has a low population density.

Definitions of density

n the amount per unit size

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bits per inch, bpi
a measure of how densely information is packed on a storage medium
flux, flux density
absorbance, optical density, photographic density, transmission density
low density, rarity, tenuity
a rarified quality
relative density
the ratio of the density of something to the density of a standard
specific gravity
the density of a substance relative to the density of water
vapor density, vapour density
the density of a gas relative to the density of hydrogen
Type of:
the consistency of a compact solid

n the spatial property of being crowded together

compactness, concentration, denseness, tightness
dispersion, distribution
Type of:
spacing, spatial arrangement

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