Meaning of periscopism in English:

periscopism

Pronunciation /ˈpɛrɪskəʊpɪz(ə)m/

noun

  • The capacity of seeing all round, or over a wide field of vision, without moving the eye; the faculty of periscopic vision.

Origin

Late 19th century; earliest use found in Nature: a weekly journal of science. From periscope + -ism, after French périscopisme.