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periscopism

noun

periscopism

noun

Etymology From periscope + -ism.

1

Periscopic vision, covering a wide field without changing the direction of the optical axis.

  • The purpose of the structure is to give periscopism to the eye.1877, Sir Norman Lockyer, Nature, volume 16, page 151:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.