'density' 的定义

词汇频率

density

(densɪti )

词形plural densities

1. 有变体名词

Density is the extent to which something is filled or covered with people or things.

...a law which restricts the density of housing. [+ of]

The region has a very high population density.

...areas with high densities of immigrant populations.

同义词：tightness, closeness, thickness, compactness density 的更多同义词

2. 有变体名词 [oft with poss]

In science, the density of a substance or object is the relation of its mass or weight to its volume.

[technical]

Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.

同义词：mass, body, bulk, consistency density 的更多同义词

density 的更多同义词

Video: pronunciation of 'density'

词汇频率

density in American

(ˈdɛnsəti ; denˈsətē)

名词词形plural ˈdensities

the quality or condition of being dense

; specif.,

thickness; compactness

stupidity

c. Photography

degree of opacity of a negative

quantity or number per unit, as of area

current density

4. Physics

ratio of the mass of an object to its volume

density 的词源

Fr densité < L densitas

词汇频率

density in British

(ˈdɛnsɪtɪ )

名词词形plural -ties

the degree to which something is filled, crowded, or occupied

high density of building in towns

obtuseness; stupidity

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

a measure of a physical quantity per unit of length, area, or volume

charge density, current density

5. physics, photography transmission density, reflection density

词汇频率

density in Chemical Engineering 1

(dɛnsɪti)

词形(plural) densities

名词

(Chemical Engineering: General)

Density is the quantity of mass per unit volume of a non-porous solid.

The density of lead is greater than that of polypropylene.

The greater density of zinc results in a considerably smaller anode which is less susceptible to wave damage.

Density is the quantity of mass per unit volume of a non-porous solid.

词汇频率

density in Chemical Engineering 2

(dɛnsɪti)

词形(plural) densities

名词

(Chemical Engineering: General)

Density is a measure of a distributed mass per unit volume for porous solids or particle suspensions.

As well as the speed of the fluid and the average particle size, the erosion rate depends on the particle density in the flow.

The density of a water vapor cloud depends on the number and size of particles per unit volume involved.

Density is a measure of a distributed mass per unit volume for porous solids or particle suspensions.

含 density的例句

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Education, broadband access, population density and weather also counted. The Sun (2016)But traffic flow and population density meant that a new site had to be found. Times, Sunday Times (2012)It has wonderful views and a very low building density. Times, Sunday Times (2007)The bone density scan measures the density of your bone tissue. Christianity Today (2000)Exercise continues to be key to maintain bone density and muscle mass. The Sun (2013)They will then assess which areas are most important by looking for the highest density of nests. Times, Sunday Times (2007)Is it really general intelligence or simply a specific understanding of scientific concepts such as volume and density? Times, Sunday Times (2006)Not only the density of a population is relevant, but also its size. McKenzie, James F. & Pinger, Robert R. An Introduction to Community Health (1995)And while taking female hormones reduces male muscle mass and bone density, many biological advantages remain. Times, Sunday Times (2016)Uses fastest-growing breeds and a high stocking density. Times, Sunday Times (2008)They have very high energy density and are easy to handle, store and transport. Times, Sunday Times (2009)Deal clincher We have a beach and the highest density of pubs in one town. Times, Sunday Times (2015)But better design may not be consistent with the need for higher density, affordable homes. Times, Sunday Times (2006)There are some brownfield sites in London and there is scope to increase housing density in places. Times, Sunday Times (2015)The high population density, extensive factory farming and increased antibiotic drug resistance put us in the front line. The Sun (2008)One reason is population density. Times, Sunday Times (2013)This space is different in different cultures, and depends on the density of the population in the place where a person was reared. Mansfield, Patricia Why Am I Afraid to be Assertive? (1994) Population density -- the numbers squeezed into square metres -- was the highest on earth. Charles Glass The Tribes Triumphant (2006)At top clubs these days, they have scanners that measure bone density, which was where my problems lay. Times, Sunday Times (2010)Such is the density of the population, all busily exuberant, you sometimes struggle to pick out the main action. Times, Sunday Times (2016)In the county with the highest density of artists in England, one unique feature of the art scene is the mix. Times, Sunday Times (2007)Six laser sites in Britain measure the density of ash in UK airspace. Times, Sunday Times (2011)Given that the UK has a high population density, should not quality of life and sustainability be included in the economic equation? Times, Sunday Times (2007)