PHOTODYNAMICS

Pho′to‐dy‐nam″ics (?), n. [[Photo- + dynamics.]] (Plant Physiol.) 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.