reflux
/ˈɹiː.flʌks/noun, verb
reflux is spelled R-E-F-L-U-X: 6 letters and 2 syllables. It appears about once in every 1 million words in written English, the 29,270th most frequent word form (wordfreq, 2021 data). As a noun, reflux means “The backwards flow of any fluid” (English Wiktionary, September 2026). The plural of reflux is refluxes.
How many letters and syllables are in reflux?
| Letters | 6: R-E-F-L-U-X |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 1 million words; the 29,270th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is reflux?
Reflux appears about once in every 1 million words in written English, the 29,270th 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 reflux?
- /ˈɹiː.flʌks/
Reflux has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-reflux.wav, Wikimedia Commons (author and licence on each file's page).
Forms of reflux
- refluxes plural, present, singular, he/she/it
- refluxing participle, present
- refluxed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does reflux mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The backwards flow of any fluid.
- 2
A technique, using a reflux condenser, allowing one to boil the contents of a vessel over an extended period.
- 3
The leaking of stomach acid up into the oesophagus.
verb
- 1
To flow back or return.
the refluxing tide
- 2
To boil a liquid in a vessel having a reflux condenser.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Reflux in Spanish, French, German and Portuguese
In the sense backwards flow of any fluid:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.