Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
wander
vacuum
actinic ray
SPONSORED LINKS
SPONSORED LINKS
absolute pitch
thaw
old-world
disconnected
grate
discretion
basic
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