Diffusion definition

dĭ-fyo͝ozhən
A diffusing or being diffused.
  • A dissemination, as of news.
  • A scattering of light rays, as by reflection; also, the dispersion and softening of light, as by passage through frosted glass.
  • An intermingling of the molecules of liquids, gases, etc.
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The movement of atoms or molecules from an area of higher concentration to an area of lower concentration. Atoms and small molecules can move across a cell membrane by diffusion.
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Wordiness; diffuseness.
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Diffusion is defined as the process or state of something spreading more widely.

When cultural ideas spread from one group to another, this is an example of diffusion.

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The spread of linguistic or cultural practices or innovations within a community or from one community to another.
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The scattering of incident light by reflection from a rough surface.
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The transmission of light through a translucent material.
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The spontaneous intermingling of the particles of two or more substances as a result of random thermal motion.
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(anthrop.) The spread of a cultural or technological practice or innovation from one region or people to another, as by trade or conquest.
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The reflection or refraction of radiation such as light or sound by an irregular surface, tending to scatter it in many directions.
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A semiconductor manufacturing process that infuses tiny quantities of impurities into a base material, such as silicon, to change its electrical characteristics. See chip.
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The scattering or deviation in the path of an electromagnetic waveform as it strikes an obstacle in its path. In transmission systems, diffusion generally refers to the scattering of light as it strikes an impurity or interacts with molecular matter in an optical fiber, or to the scattering of a radio signal as it strikes solid matter in the path between transmitter and receiver.
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The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
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(physics) The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
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(physics) The intermingling of the molecules of a fluid due to random thermal agitation.
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The spread of cultural or linguistic practices, or social institutions, in one or more communities.
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(physics, weather) Exchange of airborne media between regions in space in an apparently random motion of a small scale.
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The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
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The process of diffusing or the condition of being diffused.

The diffusion of new technology around the world.

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Other Word Forms

Noun

Singular:
diffusion
Plural:
diffusions

Origin of diffusion

  • From Latin diffusionem (accusative of diffusio), from verb diffundere.

    From Wiktionary