The branch of science that deals with the energy of light, especially in relation to its interaction with molecules. Also: the properties of a substance with regard to photochemical reactions and processes.
Origin
Late 19th century. From photo- + dynamics. Compare slightly later photodynamic.
Definition of photodynamics in US English:
photodynamics
nounˌfəʊtə(ʊ)dʌɪˈnamɪks
The branch of science that deals with the energy of light, especially in relation to its interaction with molecules. Also: the properties of a substance with regard to photochemical reactions and processes.
Origin
Late 19th century. From photo- + dynamics. Compare slightly later photodynamic.