Word.ws English Dictionary

astatine

/ˈastətiːn//ˈæstəˌtin/

astatine noun: a highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.

Noun

astatine (countable and uncountable, plural astatines)

  1. A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
    • Astatine, for instance, is practically unstudied. It has a name and a place on the periodic table (next to Marie Curie's polonium), but almost nothing else.2003, Bill Bryson, A Short History of Nearly Everything, BCA, page 221
    1. (countable) An atom of this element.

astatine meaning in Hindi, Tamil, Bengali and Kannada

astatine in Hindi

the chemical element
लावणी lāvṇī

astatine in Tamil

the chemical element
அஸ்தாதைன் astātaiṉ

astatine in Bengali

the chemical element
অ্যাস্টাটিন êsṭaṭin

astatine in Kannada

ಆಸ್ಟಟೈನ್
More languagesFewer languages
astatine in Arabic
أَسْتَاتِين ʔastātīn
astatine in Malay
astatin
astatine in Indonesian
astatin
astatine in Persian
استاتین astâtin
astatine in Thai
แอสทาทีน ɛ́ɛs-taa-tiin
astatine in Vietnamese
astatin

Synonyms of astatine

Forms of astatine

pluralastatines

Origin of astatine

From Ancient Greek ἄστατος (ástatos, “unstable”) + -ine.

Words formed from astatine

Questions about astatine

What does astatine mean?
Astatine means a highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
What is astatine in Hindi?
Astatine in Hindi is लावणी (lāvṇī). See Astatine meaning in Hindi.
What part of speech is astatine?
Astatine is a noun.
How do you pronounce astatine?
Astatine is pronounced /ˈastətiːn/ (UK).
What is the plural of astatine?
The plural of astatine is astatines.

Words near astatine in the dictionary

  1. astatinated
  2. astatinates
  3. astatinating
  4. astatination
  5. astatinations
  6. astatine
  7. astatines
  8. astatize
  9. astatized
  10. astatizes
  11. astatizing

Source and license

Adapted from Wiktionary: astatine (page history and authors); astatine (Kannada Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-astatine.wav, LL-Q1860 (eng)-Tesco250-astatine.wav.

Cite this entry: “astatine.” Word.ws, https://word.ws/astatine. Based on Wiktionary, CC BY-SA 4.0.