What does diffusion mean?

Definitions for diffusiondɪˈfyu ʒən

Here are all the possible meanings and translations of the word diffusion.

Princeton's WordNet

  1. diffusion(noun)

    (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration

  2. diffusion(noun)

    the spread of social institutions (and myths and skills) from one society to another

  3. dissemination, diffusion(noun)

    the property of being diffused or dispersed

  4. dispersion, dispersal, dissemination, diffusion(noun)

    the act of dispersing or diffusing something

    "the dispersion of the troops"; "the diffusion of knowledge"


  1. diffusion(Noun)

    the act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion

  2. diffusion(Noun)

    the scattering of light by reflection from a rough surface, or by passage through a translucent medium

  3. diffusion(Noun)

    the intermingling of the molecules of a fluid due to random thermal agitation

  4. diffusion(Noun)

    the spread of cultural or linguistic practices, or social institutions, in one or more communities

  5. diffusion(Noun)

    Exchange of airborne media between regions in space in an apparently random motion of a small scale.

  6. diffusion(Noun)

    the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.

  7. Origin: From diffusionem (accusative of diffusio), from verb diffundere.

Webster Dictionary

  1. Diffusion(noun)

    the act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion

  2. Diffusion(noun)

    the act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate

U.S. National Library of Medicine

  1. Diffusion

    The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point of lower pressure or concentration and to distribute itself throughout the available space. Diffusion, especially FACILITATED DIFFUSION, is a major mechanism of BIOLOGICAL TRANSPORT.

The Standard Electrical Dictionary

  1. Diffusion

    A term properly applied to the varying current density found in conductors of unequal cross sectional area. In electro-therapeutics it is applied to the distribution of current as it passes through the human body. Its density per cross-sectional area varies with the area and with the other factors.


  1. Chaldean Numerology

    The numerical value of diffusion in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of diffusion in Pythagorean Numerology is: 4

Images & Illustrations of diffusion

  1. diffusiondiffusiondiffusion

Translations for diffusion

From our Multilingual Translation Dictionary

Get even more translations for diffusion »


Find a translation for the diffusion definition in other languages:

Select another language:

Discuss these diffusion definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"diffusion." Definitions.net. STANDS4 LLC, 2017. Web. 21 Nov. 2017. <http://www.definitions.net/definition/diffusion>.

Are we missing a good definition for diffusion? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for diffusion:

Thanks for your vote! We truly appreciate your support.