riboflavin
/ˌraɪboʊˈfleɪvɪn/noun
riboflavin is a noun meaning “Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals” (English Wiktionary, September 2026). It is spelled R-I-B-O-F-L-A-V-I-N, and it appears about once in every 6 million words in written English (wordfreq, 2021 data). The plural of riboflavin is riboflavins.
What does riboflavin mean?
noun
- 1
Yellow or orange-yellow water-soluble compound, a member of the vitamin B complex, that acts as a growth-promoting factor in humans and other animals.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce riboflavin?
- /ˌraɪboʊˈfleɪvɪn/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-riboflavin.wav, Wikimedia Commons (author and licence on each file's page).
Forms of riboflavin
- riboflavins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is riboflavin?
Riboflavin appears about once in every 6 million words in written English, the 72,332nd 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).
Riboflavin in Spanish, French, German and Portuguese
In the sense the vitamin B2, riboflavin:
| Language | Words |
|---|---|
| French | riboflavine |
| German | Riboflavin |
| Portuguese | riboflavina |
| Spanish | riboflavina |
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.
Where does riboflavin come from?
From ribo(se)- + flavin.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).