periscopic
/pɛrɪˈskɒpɪk
/adjective
1Relating to a periscope.The test pilots found the double-slot flaps and quick-release engine cowlings most admirable but, oddly, armament was only briefly checked out and one of the things they did not like was the periscopic system for the twin turrets....
- The commander has a periscopic day sight, a television monitor displaying the image from the gunner's thermal sight and six unity vision periscopes.
- The commander's cupola in the centre of the vehicle is equipped with five periscopic sights which give 360° vision.
1.1(Of a lens or an optical instrument) giving a wide field of view: a periscopic sextant...
- The equipment projected the image of the sun through a periscopic lens and reflected it on a sheet of paper.
- A telescopic view from the outside and a periscopic view from the inside permit, as expressed by Walter Benjamin, ‘telescoping the past with the present’, allowing the viewer to peer at the old buildings through that spyglass.
- The plane's captain added to the error by steering the plane on compass alone, backed up by dead reckoning and astro-fixes from a periscopic sextant.
Derivatives
periscopically
- downstater
- downstream
- downstroke
- downsun
- downswing
- Down syndrome
- down-talk
- downtempo
- down the hatch
- down-the-line
- down the middle
- down the road
- downthrow
- downtick
- down timber
- downtime
- down to earth
- down-to-earthness
- down tools
- down to the ground
- (down) to the last (or final, smallest, etc.) detail
- pyemia
- pyeste egg
- pyet
- PYG