Definition of theoreticism in US English:

theoreticism

noun

depreciative
  • The practice of emphasizing theoretical inquiry and adherence to abstract principles over practical investigation or experience.

Origin

Early 20th century. From theoretic + -ism. Compare German Theoretizismus.

Pronunciation

theoreticism

/ˌθɪəˈrɛtɪsɪz(ə)m/