Definition of rectilinearism in English:

rectilinearism

Pronunciation /ˌrɛktɪˈlɪnɪərɪz(ə)m/

noun

rare
  • The tendency to be rectilinear; an instance of this; (figurative) rigidity of outlook or approach.

Origin

Mid 19th century; earliest use found in Blackwood's Magazine. From rectilinear + -ism.