Photodynamics
Pronunciation : Pho`to*dy*nam"ics
Part of Speech : n.
Definition : Defn: The relation of light to the movements of plants and their organs; the study of the phenomena of curvatures induced by the stimulus of light. --Pho`to*dy*nam"ic (#), Pho`to*dy*nam"ic*al (#), a.
[Photo-+ dynamics.] (Plant Physiol.)
Source : Webster's Unabridged Dictionary, 1913