- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
send in
-
pigmy
-
friction
-
action plant
-
acute glossitis
-
indentation
-
cleric
-
heir
-
inhalant
-
ee
- 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