astatine
/ˈæstəˌtin/noun
astatine is spelled A-S-T-A-T-I-N-E: 8 letters. It appears about once in every 33 million words in written English, the 176,009th most frequent word form (wordfreq, 2021 data). As a noun, astatine means “A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85” (English Wiktionary, September 2026). The plural of astatine is astatines.
How many letters and syllables are in astatine?
| Letters | 8: A-S-T-A-T-I-N-E |
|---|---|
| In writing | about once in every 33 million words; the 176,009th 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 astatine?
Astatine appears about once in every 33 million words in written English, the 176,009th 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 astatine?
- UK /ˈastətiːn/
- US /ˈæstəˌtin/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Naomi_Persephone_Amethyst_(NaomiAmethyst)-astatine.wav, En-us-astatine.ogg, LL-Q1860_(eng)-Tesco250-astatine.wav, Wikimedia Commons (author and licence on each file's page).
Forms of astatine
- astatines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does astatine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
- 2
An atom of this element.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Astatine in Spanish, French, German and Portuguese
In the sense the chemical element:
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 astatine come from?
From Ancient Greek ἄστατος (ástatos, “unstable”) + -ine.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).