- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
absolute threshold
-
inaugural
-
amuses
-
achoerodus
-
software error
-
bear away
-
wrought
-
voluntary
-
anachronism
-
pregnant
- Hide translation
actinic ray
actinic ray /ækˈtɪnɪk reɪ/
noun
-
Electromagnetic radiation that can produce photochemical reactions
(
actinic radiation
, actinic ray
)
electromagnetic radiation that can produce photochemical reactions