Definition of actualism in English:

actualism

noun

  • 1Philosophy
    Philosophy. The doctrine that only what is actual exists, and hence entities which are only possible do not exist; belief in the importance of the actual.

  • 2Realism in description or representation; = actuality.

  • 3historical Geology
    Geology. The theory or principle that changes in the geological past can be explained in terms of processes observable in the present. Compare actualist. Now chiefly historical.

Origin

Mid 19th century; earliest use found in Brownson's Quarterly Review. From actual + -ism.

Pronunciation:

actualism

/ˈaktʃ(ə)lɪz(ə)m//ˈaktʃʊəlɪz(ə)m//ˈaktʃʊlɪz(ə)m/