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density

noun

den·​si·​ty ˈden(t)-sə-tē How to pronounce density (audio)
plural densities
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 of volume (see volume entry 1 sense 2), unit of area (see area sense 1), or unit of length: such as
a
chemistry : the mass (see mass entry 2 sense 1c) of a substance per unit of volume
pure iron has a density of 7.8 grams per cubic centimeter
b
chemistry : the distribution of a quantity (such as electricity or energy) per unit usually of space (such as length, area, or volume)
The drawback to using ethanol as a complete replacement for gasoline, however, is not only the high cost of its production from cellulose but also its lower energy density. John R. Regalbuto
c
: the average number of individuals or units per unit of space
a population density of 500 per square mile
a housing density of 10 houses per acre
3
physics
a
: the degree of opacity (see opacity sense 2) of a translucent medium
the fog's density
b
: the common logarithm of the opacity

Synonyms

Example Sentences

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 on the Web According to the California Governor’s Office of Emergency Services, which issued the text alert, residents in certain counties were targeted because of high temperatures, population density and air conditioner use. Grace Toohey, Los Angeles Times, 7 Sep. 2022 People in low population-density areas, such as the Great Plains, are more likely to move than those who already live in bigger cities. Andrew Van Dam, Washington Post, 12 Aug. 2022 States with the fewest luxury cars also have the lowest population density. Abby Montanez, Robb Report, 8 Aug. 2022 Maybe the virus crosses over to the farmworkers but fizzles out because there’s not enough population density to sustain a human epidemic. Wired, 5 Aug. 2022 The population density of those two behemoths stands at 27,000 and 12,000 people per square mile, respectively. Paul Stephen, San Antonio Express-News, 27 July 2022 The tweet, in response to a thread about population density, is not the first time that the Tesla billionaire has discussed how small the human population is, and warned in bold terms that there just aren’t enough people in the world. Alena Botros, Fortune, 20 July 2022 In each category, the website assigned point values for criteria like a city’s average summer temperature, population density and amount of shade available. Tandra Smith | Tsmith@al.com, al, 11 July 2022 But a quake’s death toll more often comes down to geography, building quality, and population density. Fazel Rahman Faizi, The Christian Science Monitor, 22 June 2022 See More

Word History

Etymology

see dense

First Known Use

1598, in the meaning defined at sense 1

Time Traveler
The first known use of density was in 1598

Phrases Containing density

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