actinon
nounEtymology Contraction of actinium emanation.
2
Obsolete Synonym of radon.
3
Dated An actinide
- Synonyms
- actineon, actinium emanation, acton, akton, An, Ao, exactinio, radon-219
- Hypernyms
- radon
noun — 3 senses
Etymology Contraction of actinium emanation.
Obsolete Synonym of radon.
Dated An actinide
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.