ultrafiltration
French, noun/yl.tʁa.fil.tʁa.sjɔ̃/
ultrafiltration is spelled U-L-T-R-A-F-I-L-T-R-A-T-I-O-N (15 letters) and appears about once in every 23 million words in written French, the 154,162nd most frequent French word form (wordfreq, 2021 data). Ultrafiltration is a French feminine noun meaning “ultrafiltration” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Méthode de filtration du sang par convection à travers la membrane d’un hémofiltre”.
What does ultrafiltration mean in English?
noun
- 1
feminineultrafiltration
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Méthode de filtration du sang par convection à travers la membrane d’un hémofiltre. 2. Sorte de filtration sur membrane où le liquide traverse une membrane semi-perméable grâce à une différence de pression, caractérisée par un seuil de coupure de l'ordre de 0,01 μm, éliminant ainsi pollens, algues, parasites, bactéries, virus, germes et grosses molécules organiques.
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 ultrafiltration
- ultrafiltrations plural
- ultra-filtration
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce ultrafiltration?
- /yl.tʁa.fil.tʁa.sjɔ̃/
- \yl.tʁa.fil.tʁa.sjɔ̃\
- [yl.tʁa.fil.tʁa.sjɔ̃]
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is ultrafiltration in French?
ultrafiltration appears about once in every 23 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).