Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
single prop
pick off
skirmish
SPONSORED LINKS
SPONSORED LINKS
witherspoon
subsequent
declare
dufus
sick
caper
bash
Hide translation
actinide
actinide
/ˈækˈtɪnˌaɪd/
noun
Any of a series of radioactive elements with atomic numbers 89 through 103
(
actinide
,
actinoid
,
actinon
)
any of a series of radioactive elements with atomic numbers 89 through 103
Back
Next
Language