- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
twin-propeller-plane
-
brutal
-
additions to esther
-
draught
-
last names
-
last out
-
adeline virginia stephen woolf
-
massif
-
last not least
-
abbr.
- 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