indirect actinic effect
actinic effect that occurs away from the place where the radiant energy responsible for the effect is absorbed
EXAMPLE Photostimulation of endocrine glands; conversion of previtamin D3 to vitamin D by a non-photochemical thermal reaction.
Note 1 to entry: The distinction between direct and indirect actinic effect mainly applies to biological changes.
Note 2 to entry: This entry was numbered 845-06-05 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-15 in CIE S 017:2011.