- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
horrid
-
spellbound
-
wood
-
hundred-and-fifteenth
-
clingy
-
cab
-
actinomycetous
-
adad
-
active site
-
activate
- Hide translation
actinism
actinism /ˈækˌtɪnɪzəm/
noun
-
The property of radiation that enables it to produce photochemical effects
(
actinism
)
the property of radiation that enables it to produce photochemical effects