density

名词 n.
中文释义
英 /ˈdɛn.sɪ.ti/|/ˈdɛn.sə.ti/    美 /ˈdɛn.sə.ti/|[ˈdɛn.sə.ɾi]

英文释义

名词 n.
  1. The amount of a certain phenomenon (such as stuff, things, energy, or otherwise) in a given area (surface area) or volume (amount of space).; A measure of the mass of matter contained by a unit volume. countable,uncountable
    — In the past two years, NASA’s Kepler Space Telescope has located nearly 3,000 exoplanet candidates ranging from sub-Earth-sized minions to gas giants that dwarf our own Jupiter. Their densities range from that of styrofoam to iron.
  2. The amount of a certain phenomenon (such as stuff, things, energy, or otherwise) in a given area (surface area) or volume (amount of space).; The ratio of one quantity, representing something of interest, to another quantity representing space, area, or extent in which the thing of interest is distributed. countable,uncountable
    — The number of particles per unit volume of a specified volume can be considered to be the particle density for the specified volume.
  3. The probability that an outcome will fall into a given range, per unit of that range; the relative likelihood of possible values of a continuous random variable. countable,uncountable
  4. Stupidity. countable,uncountable
    — There's only so much density that pedagogy can penetrate.

词形变化

densities plural

词汇关系

衍生词
agricultural density arithmetic density asymptotic density bone density bone mineral density bulk density caloric density character density charge-density wave chemodensity column density densitize density dependence density function density matrix density of light electrodensity equidensity flux density high-density high-density lipoprotein hyperdensity hypodensity immunodensity isodensity lexical density linear density low-density low-density lipoprotein magnetic flux density mass density medium-density microdensity natural density number density overdensity photodensity physiological density Planck density population density probability density function pyroclastic density current radiodensity relative density Schwarzschild density specific density spin-density wave teledensity tomodensity true density underdensity vapour density vortensity
相关词
dense

词源

Borrowed from Middle French densité or Latin densitas. Morphologically dense + -ity.
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