Word a Day
diffusion
What does diffusion mean?
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.
Definition: Princeton WordNet 3.1.
How do you use diffusion in a sentence?
- Diffusion is passive because it doesn't require an external source of energy. (Tatoeba sentence #5667926 by zumley, CC BY 2.0 FR)
How do you pronounce diffusion?
/dɪˈfjuʒən/ (IPA, American English). The app reads every word aloud.
Where does diffusion come from?
Borrowed from Latin diffūsiō, from diffundō; can be decomposed as diffuse + -ion.
Etymology: Wiktionary, CC BY-SA 4.0.
Test yourself: do you know “diffusion”?
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What does “diffusion” mean?
(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
Right! That's what “diffusion” means.
the distinctive manner of pronouncing a language associated with a particular region, social group, etc., whether of a native speaker or a foreign speaker
Not quite: that's what accent means.
the quality of being genuine or not corrupted from the original, of having the same origin (or attribution, commitment, intention, etc.) as claimed
Not quite: that's what authenticity means.
temporary cessation from activity to rest and recover, especially in the form of sleep; rest; an instance of this; a break, a rest; a sleep
Not quite: that's what repose means.
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