selenocysteine
noun
selenocysteine is spelled S-E-L-E-N-O-C-Y-S-T-E-I-N-E: 14 letters. It appears about once in every 89 million words in written English, the 301,415th most frequent word form (wordfreq, 2021 data). As a noun, selenocysteine means “A naturally-occurring amino acid, present in several enzymes, whose structure is that of cysteine but with the sulfur atom replaced by one of selenium” (English Wiktionary, September 2026). The plural of selenocysteine is selenocysteines.
How many letters and syllables are in selenocysteine?
| Letters | 14: S-E-L-E-N-O-C-Y-S-T-E-I-N-E |
|---|---|
| In writing | about once in every 89 million words; the 301,415th 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 selenocysteine?
Selenocysteine appears about once in every 89 million words in written English, the 301,415th 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 selenocysteine
- selenocysteines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does selenocysteine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A naturally-occurring amino acid, present in several enzymes, whose structure is that of cysteine but with the sulfur atom replaced by one of selenium
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does selenocysteine come from?
From seleno- + cysteine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).