diffusion.
The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
Meaning & usage
The act of diffusing or dispersing something, or the property of being diffused or dispersed; dispersion.
The scattering of light by reflection from a rough surface, or by passage through a translucent medium.
The intermingling of the molecules of a fluid due to random thermal agitation.
gaseous diffusion
The spread of cultural or linguistic practices, or social institutions, in one or more communities.
The gradual spread and adoption of goods or services.
Exchange of airborne media between regions in space in an apparently random motion of a small scale.
The movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Where this word comes from
Borrowed from Latin diffūsiō, from diffundō; can be decomposed as diffuse + -ion.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.