- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
84
-
pail
-
absence without leave
-
ranging
-
era
-
actinometrical
-
indium
-
actinoid
-
whirring
-
achromatic color
- 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