Definition of photoprocess in US English:

photoprocess

noun

  • 1A process (in later use: specifically a printing process) involving photography.

  • 2A biological or chemical process involving light.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics. From photo- + process.

Pronunciation

photoprocess

/ˈfəʊtəʊˌprəʊsɛs/