phenomenalist

/fɪˈnɑmənəlɪst/
noun
  1. A person who supports or believes in phenomenalism, the philosophical view that only observable things are real.
    • Famous phenomenalists include philosophers like George Berkeley and John Stuart Mill.
    • As a phenomenalist, she argued that unobserved objects don't truly exist.
    • The debate between the realist and the phenomenalist lasted for hours.
adjective
  1. Relating to or characteristic of phenomenalism or its followers.
    • The book presents a phenomenalist interpretation of quantum mechanics.
    • His phenomenalist approach to science focuses only on measurable data.
    • She adopted a phenomenalist stance, denying the reality of unobserved particles.
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