Definition of post-selection in US English:

post-selection

noun

  • Selection (originally, natural selection) occurring at a later time or subsequent to another process.

adjective

  • Occurring after selection; of or pertaining to a time after selection.

Origin

Late 19th century. From post- + selection. With use as adjective compare earlier preselection.

Pronunciation

post-selection

/ˌpəʊs(t)sɪˈlɛkʃn/