- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
light source
-
insignificance
-
upright
-
czech
-
prone
-
citation
-
so
-
manchuria
-
flare-up
-
longfellow
- 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