actinon
English
[edit]Etymology
[edit]Contraction of actinium emanation.
Noun
[edit]actinon (plural actinons)
- (physics, dated) Radon-219 (21986Rn; symbol An), an isotope of radon
- (obsolete) Synonym of radon.
- (dated) An actinide
Synonyms
[edit](an isotope of radon):
Hypernyms
[edit]isotope of radon
Coordinate terms
[edit]Translations
[edit]Anagrams
[edit]Romanian
[edit]Etymology
[edit]Noun
[edit]actinon n (uncountable)
Declension
[edit]| singular only | indefinite | definite |
|---|---|---|
| nominative-accusative | actinon | actinonul |
| genitive-dative | actinon | actinonului |
| vocative | actinonule | |
Categories:
- English lemmas
- English nouns
- English countable nouns
- en:Isotopes
- English dated terms
- English terms with obsolete senses
- en:Obsolete element names
- en:Radioactivity
- en:Types of chemical elements
- English 3-syllable words
- English terms suffixed with -on (element)
- Romanian terms borrowed from French
- Romanian terms derived from French
- Romanian lemmas
- Romanian nouns
- Romanian uncountable nouns
- Romanian neuter nouns
- ro:Isotopes
- ro:Radioactivity