- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
spellbound
-
adansonia gregorii
-
uncountable
-
gratitude
-
romper
-
pencils
-
descurainia pinnata
-
active application
-
ad interim
-
space-reflection symmetry
- 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