PERISCOPE • FREE TRANSLATOR.ORG • Definition of Periscope

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noun

Periscope n.

A general or comprehensive view. (archaic)

An optical instrument of tubular shape containing an arrangement of lenses and mirrors (or prisms), allowing a person to observe a field of view otherwise obstructed, as beyond an obstructing object or (as in submarines) above the surface of the water.

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Etymology of 'Periscope'

Collaborative International Dictionary of English 0.48

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"Periscope" Quotes from Famous Books

... thrown into the struggle in increasing numbers, represented an entirely new development, for the submarine is a vessel which can travel unseen beneath the water and, while still unseen, except for a possible momentary glimpse of a few inches of periscope, can launch a torpedo at long or short range and with deadly accuracy. In these circumstances it became imperative to organize the Admiralty administration to meet new needs, and to press into the service of the central administration a large number of officers charged with ...

— The Crisis of the Naval War • John Rushworth Jellicoe

... affairs which do not concern her. Is she a lady? One would imagine she is not. One would also imagine that she lives in a solid well-repaired square brown stone house with a cupola used as a conning tower and equipped with periscope and telescope and wireless. Furthermore, her house is situated on a bleak hill so that nothing impedes her view and that of her two pets, a magpie and a jackal. And the business in life of all three of ...

— Etiquette • Emily Post

Words linked to "Periscope" : optical instrument, pigboat