tube de périscope

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• périscope — [ periskɔp ] n. m. • 1899; zool. 1874; gr. periskopein « regarder autour » ♦ Instrument d optique formé de lentilles et de prismes permettant à un observateur de voir par dessus un obstacle. Périscopes des sous marins, des chars d assaut (⇒… …   Encyclopédie Universelle

• periscope — ► NOUN ▪ a tube attached to a set of mirrors or prisms, by which an observer in a submerged submarine or behind an obstacle can see things that are otherwise out of sight. DERIVATIVES periscopic adjective …   English terms dictionary

• periscope — [per′ə skōp΄] n. [ PERI + SCOPE] 1. a periscopic lens 2. an optical instrument consisting of a tube holding a system of lenses and mirrors or prisms, so arranged that a person looking through the eyepiece at one end can see objects reflected at… …   English World dictionary

• Periscope — For the 1916 French film, see Le périscope. Principle of the periscope. The periscope on the left uses mirrors whereas the right uses prisms. a Mirrors b Prisms c Observer s eye …   Wikipedia

• periscope — /per euh skohp /, n. 1. an optical instrument for viewing objects that are above the level of direct sight or in an otherwise obstructed field of vision, consisting essentially of a tube with an arrangement of prisms or mirrors and, usually,… …   Universalium

• Périscope Nistri — Le périscope Nistri est un instrument d optique mis au point par un département de l École polytechnique de Milan par Carlo Maurilio Lerici[1],[2] en 1959 pour contrôler visuellement la présence ou non de mobilier funéraire et de fresques dans… …   Wikipédia en Français

• periscope — UK [ˈperɪˌskəʊp] / US [ˈperɪˌskoʊp] noun [countable] Word forms periscope : singular periscope plural periscopes a long tube with mirrors at each end, used for looking over the top of something, especially for looking at the surface of the sea… …   English dictionary

• periscope — [[t]pe̱rɪskoʊp[/t]] periscopes N COUNT A periscope is a vertical tube which people inside submarines can look through to see above the surface of the water …   English dictionary

• periscope — per|i|scope [ˈperıskəup US skoup] n [Date: 1800 1900; Origin: peri (from Greek; PERICARDIUM) + Greek skopos look ] a long tube with mirrors fitted in it, used to look over the top of something, especially to see out of a ↑submarine …   Dictionary of contemporary English

• periscope — per|i|scope [ perı,skoup ] noun count a long tube with mirrors at each end, used for looking over the top of something, especially for looking at the surface of the ocean from a SUBMARINE …   Usage of the words and phrases in modern English

• periscope — noun an apparatus consisting of a tube attached to a set of mirrors or prisms, by which an observer (typically in a submerged submarine or behind a high obstacle) can see things that are otherwise out of sight. Derivatives periscopic adjective… …   English new terms dictionary