- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
punctual
-
ashes
-
fundamental
-
ad personam
-
action spectrum
-
preventable
-
senior
-
active electrolocation
-
bluntly
-
flexion
- 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