diffusion
French, noun/di.fy.zjɔ̃/
diffusion is spelled D-I-F-F-U-S-I-O-N (9 letters) and appears 32 times per million words in written French, the 2,569th most frequent French word form (wordfreq, 2021 data). Diffusion is a French feminine noun meaning “broadcasting, showing” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Action de répandre dans tous les sens”.
What does diffusion mean in English?
noun
- 1
femininebroadcasting, showing
- 2
femininedissemination, diffusion (of culture, knowledge, etc.)
- 3
femininecirculation (of a news medium)
- 4
femininediffusion
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Action de répandre dans tous les sens. 2. Pénétration ou migration d'espèces chimiques dans un milieu liquide ou gazeux. 3. Action de se répandre ou état de ce qui est répandu en parlant des gaz, de la chaleur, de la lumière, du son. 4. Propagation des ondes (notamment de la lumière) lorsque celles-ci rencontrent un obstacle.
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of diffusion
- diffusions plural
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce diffusion?
- /di.fy.zjɔ̃/
- \di.fy.zjɔ̃\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to diffusion
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is diffusion in French?
diffusion appears 32 times per million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).