'Periscope' definitions:
Definition of 'periscope'
(from WordNet)
noun
An optical instrument that provides a view of an otherwise obstructed field
Definition of 'Periscope'
From: GCIDE
- Periscope \Per"i*scope\, n. [Pref. peri- + -scope.] A general or comprehensive view. [archaic] [1913 Webster]
- 2. 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. [PJC]
Synonyms of 'periscope'
From: Moby Thesaurus
- air cylinder,
- Aqua-Lung,
- aquascope,
- bathyscaphe,
- bathysphere,
- benthoscope,
- diving bell,
- diving boat,
- diving chamber,
- diving goggles,
- diving helmet,
- diving hood,
- diving mask,
- diving suit,
- scuba,
- snorkel,
- submarine,
- swim fins,
- wet suit