Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
inhabit
become
prominent
SPONSORED LINKS
SPONSORED LINKS
proscribe
meticulosity
accusatorial
loftiest
arthur conan doyle
encrust
superciliousness
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