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 2), 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 (such as mass, electricity, or energy) per unit usually of space (such 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.
Recent Examples of density from the Web
For all the hype of an urban renaissance, Americans continue to migrate to the low-density suburbs of car-dependent urban areas.
Seattle had the good urban bones, density and energetic downtown to take advantage.
That means developers providing these smaller accommodations in their projects can build twice as many as before and still fall within the maximum density allowed.
For now, the city has made the program voluntary -- offering added density as a bonus for dedicated low-income housing.
Four suites of instruments will measure the Sun’s magnetic field, the solar wind’s speed, and the density and temperature of the particles that make it up.
At that point, the remaining material ricochets off the high-density core and is ejected out into space in a massive explosion.
So Mr. Mullins began looking into what’s known as high-density planting, and that led him to Mr. Ruskey, who is widely known among such growers.
Greek polymath Archimedes takes a bath and figures out how to calculate volume and density.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'density'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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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