Diffusion is passive because it doesn't require an external source of energy.
Source: tatoeba (5667926)
Diffusion
/dɪˈfjuː.ʒən/
Synonyms for "diffusion" (146 found)
Ranked by relevance and common usage.
Closest matches (30)
Noun(9 words)
Strong matches (43)
Verb(2 words)
disperse lightmarinaded
Noun(11 words)
dispersingdisseminatingdisseminationdistributioninfectinginfiltrationinformation disseminationinterminglinglight scatteringmost scatteredosmosis
Related words (73)
Noun(23 words)
outspreadingoverspreadingpercolationpermeationpervasionpinwheelingpopularizationpromulgationpropagatingpropagationreverberationsripplingscatteringsofteningsowingspreadspread acrossspreadingspreedsuffused
Show 3 more words
Verb(2 words)
permeatingpropagate bacteria
Adjective(2 words)
popular usagewidespread sharing
Choosing the right synonym
- Closest matches in this entry: dispersal, dispersion, suffusion, abundance, airing.
- Sentence evidence is available for diffusion, so synonym choice can be checked against real usage rather than a flat word list.
- Ranking signals come from wordnet, opengloss, derived_reverse.
Synonym selection checklist
- Match the part of speech before comparing meanings.
- Check whether the synonym changes intensity, formality, or emotional tone.
- Read the replacement inside the full sentence, not just beside "diffusion".
- Prefer the clearest word over the most unusual word when writing for speed or comprehension.
When not to replace "diffusion"
Keep "diffusion" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
If two options seem close, choose the one that best matches the audience and purpose of the sentence.
Replacement workflow
1. Preserve meaning
Choose a synonym only if it keeps the core idea of "diffusion" intact in the sentence you are editing.
2. Tune tone
Check whether the replacement sounds more formal, casual, emotional, technical, or forceful than the original word.
3. Re-read context
Read the full sentence after the swap. Keep the synonym only when the sentence becomes clearer or more precise.
Review note: Synonym lists are ranked with lexical data and reviewed for practical writing value. Use the comparison notes, sentence evidence, and source labels together; a high-ranking synonym can still be wrong when the audience, register, or grammar changes.
Final fit check
After choosing a replacement for "diffusion", read the sentence once for meaning and once for rhythm. The best synonym should feel natural in the full sentence, not only accurate in a word list.
If the synonym makes the sentence slower, vaguer, or more dramatic than intended, keep "diffusion" or choose a simpler alternative from the closest-match group.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
13 entriesactionactivitycommunicationdispersiondistributionnatural actionnatural processoptical processphenomenonphysical processprocessspreadspreading
More specific
6 entriesgas diffusioninnovation diffusionknowledge diffusionlight scatteringmolecular diffusionsurface diffusion
Collocations
6 entriesdiffusion equationdiffusion in solidsdiffusion processdiffusion rategas diffusionmolecular diffusion
Inflections
1 entriesDerivations
4 entriesSample sentences
6 total sentences available.
As another of our friends has said, translation is not about replacing one language with others. Translation will, on the contrary, help the language to enter the scientific field so that it can be promoted again and again. We should open our eyes: there is a huge difference between a translated language, which can be adopted, and an orphaned language whose mere diffusion would constrain it, even if that were not the original intention.
Source: tatoeba (8277920)
Established by the U.S. Congress in 1846, the Smithsonian was the brainchild of James Smithson, a wealthy English chemist who left his estate to the United States for the establishment of an institution in the nation’s capital “for the increase and diffusion of knowledge.”
Source: tatoeba (9938040)
The West's dominance in technological advancements and patents prevents the diffusion of knowledge and innovation, impeding the development of a truly multipolar technological landscape.
Source: tatoeba (11842626)
Showing 4 of 6 available sentences.
Common questions
What are the closest synonyms for "diffusion"?
Closest matches include dispersal, dispersion, suffusion, abundance, airing.
How should I check whether a synonym fits "diffusion"?
Compare the replacement against real sentence context. This entry includes sample sentences so you can check tone, grammar, and meaning before swapping words.