photodynamics: Meaning and Definition of

pho•to•dy•nam•ics

Pronunciation: (fō"tō-dī-nam'iks), [key]
— n. (used with a sing. v.)
  1. the science dealing with light and its effects on living organisms.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.