actinon

noun
ac·​ti·​non | \ ˈak-tə-ˌnän How to pronounce actinon (audio) \

Medical Definition of actinon

: a gaseous radioactive isotope of radon that has a half-life of about four seconds

Learn More About actinon

Cite this Entry

“Actinon.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/actinon. Accessed 24 Jun. 2021.

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