Definition of peripheralize in US English:

peripheralize

(British peripheralise)

verb

[with object]
  • Treat as insignificant or peripheral.

    ‘historians peripheralized the work of women in rebuilding societies’
    ‘peripheralized, disadvantaged, and downtrodden peoples’

Pronunciation

peripheralize

/pəˈrif(ə)rəˌlīz//pəˈrɪf(ə)rəˌlaɪz/