streptavidin
noun
streptavidin is spelled S-T-R-E-P-T-A-V-I-D-I-N: 12 letters. It appears about once in every 21 million words in written English, the 139,999th most frequent word form (wordfreq, 2021 data). As a noun, streptavidin means “A tetrameric protein purified from Streptomyces avidinii that binds very tightly to the vitamin biotin” (English Wiktionary, September 2026). The plural of streptavidin is streptavidins.
How many letters and syllables are in streptavidin?
| Letters | 12: S-T-R-E-P-T-A-V-I-D-I-N |
|---|---|
| In writing | about once in every 21 million words; the 139,999th 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 streptavidin?
Streptavidin appears about once in every 21 million words in written English, the 139,999th 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).
Forms of streptavidin
- streptavidins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does streptavidin mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A tetrameric protein purified from Streptomyces avidinii that binds very tightly to the vitamin biotin
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does streptavidin come from?
From Streptomyces avidinii + -in.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).