- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
ad campaign
-
least bittern
-
adansonia
-
space-reflection symmetry
-
active site
-
vegetable
-
vas
-
adam's needle-and-thread
-
aggravate
-
ad infinitum
- Hide translation
actinometry
actinometry /ˌækˌtɪnˈɑːmətri/
noun
-
Measuring the intensity of electromagnetic radiation (especially of the sun's rays)
(
actinometry
)
measuring the intensity of electromagnetic radiation (especially of the sun's rays)