exactinio
English
Etymology
From
Latin
ex
actīniō
(
“
out of actinium
”
)
.
Noun
exactinio
(
uncountable
)
(
obsolete
)
Obsolete form of
actinon
(
“
radon-219
”
)
.
Coordinate terms
exradio
(radon-222)
exthorio
(radon-220)