metallothionein
noun
metallothionein is spelled M-E-T-A-L-L-O-T-H-I-O-N-E-I-N: 15 letters. It appears about once in every 62 million words in written English, the 246,401st most frequent word form (wordfreq, 2021 data). As a noun, metallothionein means “Any of a family of cysteine-rich proteins that bond to heavy metals” (English Wiktionary, September 2026). The plural of metallothionein is metallothioneins.
How many letters and syllables are in metallothionein?
| Letters | 15: M-E-T-A-L-L-O-T-H-I-O-N-E-I-N |
|---|---|
| In writing | about once in every 62 million words; the 246,401st 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 metallothionein?
Metallothionein appears about once in every 62 million words in written English, the 246,401st 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 metallothionein
- metallothioneins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does metallothionein mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of a family of cysteine-rich proteins that bond to heavy metals
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does metallothionein come from?
From metallo- + thionein.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).