dispersion
/dɪˈspɜːʃən/the act of spreading out or scattering over an area or space
The seeds were dispersed by the wind.
The wind carried the seeds away from the parent plant.
Commonly used in both literal and figurative contexts.
the separation of white light into its constituent colors, as seen in a rainbow
The prism caused light dispersion, revealing the spectrum.
The prism split the light into its different wavelengths, showing the visible spectrum.
A key concept in optics and color theory.
the degree to which data points in a statistical distribution deviate from the mean
The dispersion of test scores was low, indicating uniformity.
The test scores were closely clustered around the average, showing little variation.
Measured using standard deviation or variance.
the spread of organisms or particles through a medium
The dispersion of pollen by bees is crucial for pollination.
Bees help spread pollen from one plant to another, aiding reproduction.
Often used in ecology and epidemiology.
Collocations
Related Phrases
💡Pro Tip
Technical vs. General Use
In physics and statistics, 'dispersion' has precise meanings, while in everyday language, it simply means spreading out.
⚡Gold Rule
Precision in Technical Fields
In physics and statistics, always specify the type of dispersion (e.g., light dispersion, data dispersion) to avoid ambiguity.
📖Word Origin
From Latin 'dispersio', meaning 'a scattering', from 'dispersare' (to scatter).
📝Usage Notes
In technical contexts, 'dispersion' often refers to measurable phenomena, while in general use, it describes any form of spreading out.