dispersion

• 名词，指分散、散布或扩散的过程或状态，常用于物理学、化学和统计学等领域。

A noun referring to the process or state of being scattered or spread over a wide area, often used in physics, chemistry, and statistics.

1. Spreading of particlesB2formalscientific

   The process by which particles or substances spread out or are distributed over an area.

   分散

   • The dispersion of seeds by wind helps plants colonize new areas.
   • Scientists studied the dispersion of pollutants in the atmosphere.
   • The dispersion of light through a prism creates a rainbow.

   同义词diffusiondispersaldisseminationdistributionscatteringspread

   反义词accumulationaggregationcollectionconcentrationgathering

2. Statistical distributionC1formaltechnical

   The degree to which data points in a set are spread out from the average value.

   统计离散度

   • The dispersion of test scores was higher in the second group.
   • Variance is a common measure of dispersion in statistics.
   • A low dispersion indicates that the data points are clustered closely.

   同义词scatterspreadvariability

   反义词centralizationconcentration

3. Wave separationC1formalscientific

   The separation of a wave into its component frequencies, especially in optics.

   色散

   • Dispersion in fiber optics can cause signal distortion.
   • The phenomenon of dispersion is crucial in understanding rainbows.
   • Engineers must account for dispersion when designing communication systems.