the degree to which something is filled, crowded, or occupied
high density of building in towns
2.
obtuseness; stupidity
3.
a measure of the compactness of a substance, expressed as its mass per unit volume. It is measured in kilograms per cubic metre or pounds per cubic foot
Symbol: ρ. See also relative density
4.
a measure of a physical quantity per unit of length, area, or volume
charge density, current density
5. physics, photography transmission density, reflection density
Examples of 'densities' in a sentence
densities
We're keeping them in higher densities than they can cope with.
Times, Sunday Times (2014)
But the green belt aims to prevent this and force higher densities.
Times, Sunday Times (2011)
Planes will be allowed to fly for limited periods at higher ash densities.
The Sun (2010)
Most were spaced 10-12 to the acre, half today's densities.
Times, Sunday Times (2014)
The different densities of snow, which very much change the acoustics.
Times, Sunday Times (2009)
They have the world's smallest population densities of just two people per square kilometre.
The Sun (2011)
The proper place to build homes is at lower densities on agricultural land.
Times, Sunday Times (2010)
That's mostly because we have one of the highest population densities in the world.
Times, Sunday Times (2006)
However, there could be negative consequences where there were 'high densities of gamebird release'.
Times, Sunday Times (2015)
All related terms of 'densities'
density
Density is the extent to which something is filled or covered with people or things.
bone density
the degree of compactness of bone
charge density
the electric charge per unit volume of a medium or body or per unit area of a surface
double density
a disk with more than the normal capacity for storage
flux density
the amount of flux per unit of cross-sectional area
single density
a disk with the normal capacity for storage
single density disk
a disk with the normal capacity for storage
vapour density
the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure
critical density
the density of matter that would be required to halt the expansion of the universe
current density
the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre
neutral density
black , white, or a shade of grey ; a colourless tone
optical density
a measure of the extent to which a surface reflects light or other electromagnetic radiation , equal to the logarithm to base ten of the reciprocal of the reflectance
packing density
a measure of the amount of data that can be held by unit length of a storage medium , such as magnetic tape
reflection density
a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance
relative density
the ratio of the density of a substance to the density of a standard substance under specified conditions. For liquids and solids the standard is usually water at 4°C or some other specified temperature . For gases the standard is often air or hydrogen at the same temperature and pressure as the substance
transmission density
a measure of the extent to which a substance transmits light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the transmittance
electric flux density
Electric flux density is electric flux passing through a unit area perpendicular to the direction of the flux.
magnetic flux density
a measure of the strength of a magnetic field at a given point, expressed by the force per unit length on a conductor carrying unit current at that point
electric displacement
the electric flux density when an electric field exists in free space into which a dielectric is introduced