Definition of photophil in US English:

photophil

(also photophile)

adjective

Biology
  • 1= photophilicrare.

  • 2Designating or relating to a phase of the diurnal cycle during which light is capable of stimulating certain developmental responses, such as flowering in plants. Contrasted with scotophil.

Origin

Late 19th century. From photo- + -phile, after German photophil. Compare French photophile.

Pronunciation

photophil

/ˈfəʊtə(ʊ)fɪl/