ultrafiltration
noun
ultrafiltration is spelled U-L-T-R-A-F-I-L-T-R-A-T-I-O-N: 15 letters. It appears about once in every 17 million words in written English, the 122,704th most frequent word form (wordfreq, 2021 data). As a noun, ultrafiltration means “Filtration through a semipermeable membrane that only allows small molecules through” (English Wiktionary, September 2026). The plural of ultrafiltration is ultrafiltrations.
How many letters and syllables are in ultrafiltration?
| Letters | 15: U-L-T-R-A-F-I-L-T-R-A-T-I-O-N |
|---|---|
| In writing | about once in every 17 million words; the 122,704th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is ultrafiltration?
Ultrafiltration appears about once in every 17 million words in written English, the 122,704th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce ultrafiltration?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-ultrafiltration.wav, Wikimedia Commons (author and licence on each file's page).
Forms of ultrafiltration
- ultrafiltrations plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ultrafiltration mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Filtration through a semipermeable membrane that only allows small molecules through.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).