dispersive

/dis'pə:siv/
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dispersive

The prism shows a dispersive effect when white light passes through it.

Definition
  1. Adjective:
    • Causing or relating to dispersion; having the property of spreading something out over a wide area or causing something to become distributed in different directions. This describes a process, force, or medium that scatters or separates components.
    • In physics and optics: Pertaining to the separation of light or other radiation into components with different wavelengths, such as when white light passes through a prism.
Usage

The adjective "dispersive" is primarily used in scientific, technical, and formal contexts to describe scattering or separating phenomena. It modifies nouns related to processes, properties, or effects.

Examples
  • General/Scientific:
    • The dispersive nature of the wind carried the seeds far from the parent plant.
    • A dispersive medium can cause a pulse of sound to spread out over time.
  • Physics/Optics:
    • A prism is a dispersive optical element because it separates white light into a spectrum of colors.
    • The material has high dispersive power, meaning it separates wavelengths effectively.
Advanced Usage
  • "Dispersive effects": Effects that cause spreading or separation, often used in wave physics or signal processing.
    • Dispersive effects in the optical fiber must be compensated for to maintain signal integrity over long distances.
  • "Dispersive medium": A medium in which the speed of wave propagation depends on the wave's frequency, leading to separation.
    • Water waves are subject to dispersive effects, causing longer wavelengths to travel faster.
Variants and Related Words
  • Disperse (verb): To scatter or distribute over a wide area.
    • The police moved to disperse the crowd.
  • Dispersion (noun): The process or result of being dispersed.
    • The dispersion of light creates a rainbow.
  • Dispersal (noun): The action or process of distributing or spreading things over a wide area (often used in biological/ecological contexts).
    • Seed dispersal is crucial for plant propagation.
Synonyms
  • Scattering
  • Diffusive
  • Dissipative (in some contexts, implying spreading with loss of concentration)
Antonyms
  • Concentrative
  • Convergent
  • Focused
Related Phrases / Technical Terms
  • Dispersive power: (Optics) A measure of a material's ability to separate different wavelengths of light.
  • Dispersive line broadening: (Spectroscopy) Broadening of spectral lines due to dispersion within the medium or instrument.
dispersive

The prism shows a dispersive effect when white light passes through it.

Adjective
  1. spreading by diffusion

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