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单词 density
释义
density
noun[CorU]
uk
/ˈden.sɪ.ti/us
/ˈden.sə.t̬i/

densitynoun[C or U](THICKNESS)

C1
(alsodenseness)
thenumberofpeopleor things in aplacewhencomparedwith thesizeof theplace:
（人口等的）密度
Theareahas ahigh/lowpopulationdensity.该地区人口密度大／小。
We wereunabletomovebecause of the densityofthecrowd.人太多，我们根本就动不了。
SMART Vocabulary: related words and phrases
Thick, dense and heavy
  • cakey
  • claggy
  • clumsy
  • clunky
  • cumbersome
  • dense
  • heavily
  • heavy
  • ponderous
  • ponderously
  • sludgy
  • super-heavy
  • super-thick
  • thick
  • thickness
  • ultra-heavy
  • unwieldy
  • weigh
  • weigh a tonidiom
  • weighty
See more results »

densitynoun[C or U](OF MATTER)

physicsspecialized
therelationshipbetween themassof asubstanceanditssize:
（物质的）密度
Leadhasahighdensity.铅的密度大。
Aluminium islowindensity.铝的密度小。
SMART Vocabulary: related words and phrases
Mass, area, weight & volume in general
  • A2
  • A3
  • A4
  • A5
  • area
  • ballast
  • dead weight
  • displacement
  • heft
  • legal
  • letter
  • mass
  • non-dimensional
  • specific gravity
  • sq.
  • square
  • tare
  • volume
  • volumetric
  • weight
(Definition ofdensityfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

density| American Dictionary

density
noun[C/U]
us
/ˈden·sɪ·t̬i/

densitynoun[C/U](THICKNESS)

(alsodenseness,us/ˈdens·nəs/)
thequalityof beingclosetogether anddifficultto go orseethrough:
[U]The density of thesmokemade itdifficulttobreathe.

densitynoun[C/U](AMOUNT OF MATTER)

physics
therelationshipbetween themassof asubstanceanditssize:
[C]Lead has a high density.
(Definition ofdensityfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofdensity

density
Generation of multiply charged ions at low and high laser-power densities.
From theCambridge English Corpus
All flies were reared in bottles at low larval densities.
From theCambridge English Corpus
Population densities were estimated every 3 d by means of a vertical tow.
From theCambridge English Corpus
There are, however, technical difficulties with using simulated tempering schemes, particularly with regard to setting up the modified densities and their pseudopriors.
From theCambridge English Corpus
From the equation of state the two number densities nuare also known.
From theCambridge English Corpus
Clutches used to found the 10 pair and control lines were culled randomly to keep larval densities equivalent in all lines.
From theCambridge English Corpus
The output was striking; most of the papers are highly technical - entropy functions and probability densities abound.
From theCambridge English Corpus
To match the empirical spectral densities, the magnitude of the variance of errors must represent more than 60% of the magnitude of the data variance.
From theCambridge English Corpus
In our new approach we allow the ions to have different par tial densities.
From theCambridge English Corpus
Moderate densities were seen in medial area 9 and lateral area 12, and considerably lower densities were seen in all other prefrontal areas.
From theCambridge English Corpus
Note the different scales for seedling densities and plant cover for the different species.
From theCambridge English Corpus
Such variation in population densities did not lead to extirpation because there was sufficient habitat in other parts of the marsh.
From theCambridge English Corpus
Seed-bank densities per quadrat were evaluated using three surrounding soil cores.
From theCambridge English Corpus
They will be less important in the tabonuco, where bromeliad densities are very low.
From theCambridge English Corpus
Patches with high densities of adult or juvenile trees will produce more leaves and possibly attract more herbivores.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocationswithdensity

density

These are words often used in combination withdensity.

Click on a collocation to see more examples of it.

areal density
In the spherical implosion case, the mode number increases and the lowerarealdensityis observed.
From theCambridge English Corpus
atmospheric density
In addition, one has to take into account the gravitational force and corresponding more realistic initial atmospheric density, pressure and temperature profiles.
From theCambridge English Corpus
average density
Therefore, theaveragedensitycan be considered a natural parameter to describe the geometric structure of 'complicated' invariant sets.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/density##
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更新时间：2024/12/28 13:07:21