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actineon
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Contents
1
English
1.1
Noun
1.1.1
Coordinate terms
1.2
Anagrams
English
edit
Noun
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actineon
(
uncountable
)
(
obsolete
)
Obsolete
form of
actinon
(
“
radon-219
”
)
., an isotope of
radon
Coordinate terms
edit
radeon
(radon-222)
thoreon
(radon-220)
Anagrams
edit
cat-o'-nine
,
cat-o-nine
,
enaction
,
octennia
Categories
:
English lemmas
English nouns
English uncountable nouns
English terms with obsolete senses
English obsolete forms
en:Obsolete element names
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