density

英 [ˈdensəti]

美 [ˈdensəti]

n.  密集; 稠密; 密度; 浓度; 密度(固体、液体或气体单位体积的质量); 密度(磁盘存储数据的可用空间)

复数：densities　

CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.1 / BNC.3745 / COCA.4513

牛津词典

noun

• 密集；稠密；密度；浓度
  the quality of being dense ; the degree to which sth is dense
  1. population density
     人口密度
  2. low density forest
     低密度森林
• 密度（固体、液体或气体单位体积的质量）
  the thickness of a solid, liquid or gas measured by its mass per unit of volume
  1. the density of a gas
     一种气体的密度
• 密度（磁盘存储数据的可用空间）
  the amount of space available on a disk for recording data
  1. a high/double density floppy
     高密度 / 双密度软盘

柯林斯词典

• N-VAR 密度;稠密;密集
  Densityis the extent to which something is filled or covered with people or things.
  1. ...a law which restricts the density of housing...
     限制房屋密集程度的法规
  2. The region has a very high population density.
     该地区的人口密度很高。
  3. ...areas with high densities of immigrant populations.
     移民人口稠密的地区
• N-VAR （物质或物体的）密度
  In science, thedensityof a substance or object is the relation of its mass or weight to its volume.
  1. Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock.
     密度为每立方厘米 3.5 克的木星卫星木卫一上遍布岩石。

英英释义

noun

• the amount per unit size
  Synonym:denseness
• the spatial property of being crowded together
  Synonym:concentrationdensenesstightnesscompactness

双语例句

• Their antistatic performances were determined using methods of electrification voltage by friction and surface density of charge.
  采用摩擦起电电压法和电荷面密度法，对其进行了抗静电性能测试。
• It can reverse the tendency of the skin to wrinkle and decrease wrinkle volume and density.
  可以增进皮肤组织的坚实和弹性，逆转皮肤的皱纹，减少皱纹面积和皱纹密度。
• Astronomers know that Pluto and Triton have nearly the same size, mass, and density.
  天文学家知道冥王星与海卫一拥有几乎相同的体积、质量与密度。
• The treatment of precipitates and the calcination process could affect the particle size distribution and appearance density.
  对沉淀物的处理和烧结过程的控制将会影响到粒子的尺度分布和表观比重。
• The compression and density make this a difficult book to read, but it richly rewards the effort.
  这本书内容丰富，思想深刻，很难读懂，但是非常值得一读。
• Objective to assess the effects of salmon calcitonin on bone mineral density in osteoporosis patients with hip fracture.
  目的观察肌注鲑鱼降钙素对并骨质疏松症的髋部骨折患者骨密度的影响。
• The aircraft was flying above the density of the fog.
  飞机在浓雾上方飞行。
• These attributes include the density of the object and the friction.
  这些属性包括物体的密度和摩擦力。
• High density resistivity method is applied widely in the field of engineering, and the good effect is gained.
  高密度电阻率法在工程领域得到了广泛的应用，并取得了良好的效果。
• The deformation dislocation density and martensite microstructure were also analysed by TEM.
  采用TEM对形变位错密度以及马氏体组织进行了分析。