actinology
noun
- a science that deals with actinism and photochemical effects
Wiktionary
Pronunciation: /ˌæk.tɪˈnɒ.lə.d͡ʒi/ / /ˌæk.təˈnɒ.lə.d͡ʒi/ / /ˌæk.tɪˈnɑ.lə.d͡ʒi/
noun
Etymology: From actino- + -logy.
- The study of the effect of light on chemicals.