Synonyms for Periscope:
n.
opera glasses, binoculars, telescopic, spyglass. •optical instrument (noun)convex lens, ocular, microscope, binocular, mirror, field glasses, magnifying glass, concave lens, prism, condenser, lens, eyeglass, lorgnette, camera, telescope, eyepiece, magnifier, pince-nez, optical instrument.
•optical instruments (noun)
convex lens, ocular, microscope, binocular, mirror, field glasses, magnifying glass, concave lens, prism, condenser, lens, eyeglass, lorgnette, camera, telescope, eyepiece, magnifier, pince-nez, optical instrument.
Other synonyms:
binoculars, spyglass. telescopic. •Other relevant words:
telescopic.
Usage examples for periscope
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Presently, probably after a look around, the periscope suddenly disappeared, and we knew it was a real one with a German U- boat on the end of it. – Kelly Miller's History of the World War for Human Rights by Kelly Miller
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Lord Hastings had been peering intently into the periscope and had paid no attention to what was going on behind him. – The Boy Allies Under the Sea by Robert L. Drake
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He peers into a neighbouring trench- periscope – The First Hundred Thousand by Ian Hay