Definition of density
1 : the quality or state of being dense <measures of traffic density> <the density of the cake> <felt that the candidate's density on the subject of equality was alarming> <the density of her prose>
2 mathematics : the quantity per unit volume (see 1volume 3), unit area (see area 1), or unit length: such asa chemistry : the mass (see 2mass 1c) of a substance per unit volumeb chemistry : the distribution of a quantity (as mass, electricity, or energy) per unit usually of space (as length, area, or volume)c : the average number of individuals or units per space unit <a population density of 500 per square mile> <a housing density of 10 houses per acre>
Examples of density in a sentence
We were surprised by the fog's density.
the density of her writing style
These instruments are used for measuring the density of the atmosphere.
Origin and Etymology of density
First Known Use: 1598
DENSITY Defined for Kids
Definition of density for Students
1 : the condition of having parts that are close together <the jungle's density>
2 : the amount of something in a specified volume or area <high population density>
Medical Definition of density
1: the quantity per unit volume, unit area, or unit length: asa: the mass of a substance per unit volumeb: the distribution of a quantity (as mass, electricity, or energy) per unit usually of spacec: the average number of individuals or units per space unit <a population density of 500 per square mile>
2a: the degree of opacity of a translucent mediumb: absorbance
Seen and Heard
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