- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
madrigal
-
populist
-
mountebank
-
unperceived
-
venetian
-
problem
-
fan
-
crude
-
fountainhead
-
gardener
- 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