Definition of photostimulatory in US English:

photostimulatory

adjective

Biology
  • Relating to or involving photostimulation.

Origin

1970s; earliest use found in Science. From photo- + stimulatory [noun], after photostimulation.

Pronunciation

photostimulatory

/ˌfəʊtəʊˈstɪmjʊlət(ə)ri/