Definition of preferentialist in English:

preferentialist

noun

Economics
  • An advocate of the system of preference; especially (in Britain and the Commonwealth) an advocate of the system of imperial preference (now historical).

Origin

Early 20th century; earliest use found in The Times. From preferential + -ist.

Pronunciation

preferentialist

/ˌprɛfəˈrɛnʃəlɪst//ˌprɛfəˈrɛnʃ(ə)lɪst/