astatine
English
[edit]
| Chemical element (edit) | ||||||||
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| At Atomic number 85 astatine | ||||||||
Classification data
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| Previous: ← polonium (Po) | ||||||||
| Next: radon (Rn) → | ||||||||
| English Wikipedia article on Astatine |
Etymology
[edit]From Ancient Greek ἄστατος (ástatos, “unstable”) + -ine.
Pronunciation
[edit]- (UK) enPR: asʹtətēn, IPA(key): /ˈastətiːn/
- (US) enPR: ăs'tətēn, IPA(key): /ˈæstəˌtin/
Audio (General American): (file) Audio (US): (file) Audio (UK): (file)
Noun
[edit]astatine (countable and uncountable, plural astatines)
- A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85.
- Synonyms: (proposed name) alabamine, (formerly) anglohelvetium
- 2003, Bill Bryson, A Short History of Nearly Everything, BCA, page 221:
- 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.
Hypernyms
[edit]Derived terms
[edit]Translations
[edit]the chemical element
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Anagrams
[edit]Categories:
- en:Chemical elements
- en:Halogens
- en:Period 6 elements
- en:Group 17 elements
- en:P-block elements
- English terms derived from Ancient Greek
- English terms suffixed with -ine
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio pronunciation
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English terms with quotations