Photochronograph

Photochronograph
Photochronograph Pho`to*chron"o*graph, n. [Photo- + chronograph.] 1. (Physics) An instrument for recording minute intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate. [Webster 1913 Suppl.]

2. (Astron.) An instrument for the photographic recording of star transits. [Webster 1913 Suppl.]


The Collaborative International Dictionary of English. 2000.

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  • Photochronograph — Photochronograph, Vorrichtungen zur Ersetzung des Auges des Beobachters durch die photographische Platte bei Durchgangsbeobachtungen (vgl. Durchgangsinstrumente, Zeitbestimmung [mit dem Passageninstrument], Meridiankreis) und bei… …   Lexikon der gesamten Technik

  • Photochronograph — Photochronogrāph (grch.), Kamera zur Aufnahme von Serienbildern, z.B. der Kinematograph auf Tafel: Photographie II, 7 …   Kleines Konversations-Lexikon

  • photochronograph — [fōt΄ō krän′ə graf΄] n. [ PHOTO + CHRONOGRAPH] 1. a) a device formerly used for recording motion in a series of photographs taken at regular, extremely brief, intervals b) a photograph so taken 2. an instrument for recording the exact time of an… …   English World dictionary

  • photochronograph — photochronography /foh toh kreuh nog reuh fee/, n. /foh teuh kron euh graf , grahf /, n. 1. a device formerly used for taking a series of instantaneous photographs of a rapidly moving object. 2. a picture taken by such a device. 3. a chronograph… …   Universalium

  • photochronograph — pho·to·chronograph …   English syllables

  • photochronograph — pho•to•chron•o•graph [[t]ˌfoʊ təˈkrɒn əˌgræf, ˌgrɑf[/t]] n. 1) pht a device formerly used for taking a series of instantaneous photographs of a rapidly moving object 2) pht a picture taken by such a device • Etymology: 1885–90… …   From formal English to slang

  • photochronograph — /foʊtoʊˈkrɒnəgræf/ (say fohtoh kronuhgraf), / graf/ (say grahf) noun 1. a device for taking instantaneous photographs at regular and generally short intervals of time, as of a bird, a horse, a projectile, etc., in motion. 2. a picture taken by… …  

  • photochronograph — |fōd.(ˌ)ō+ noun Etymology: International Scientific Vocabulary phot + chronograph; perhaps originally formed in French 1. : chronophotograph; also : an apparatus for taking chronophotographs 2. : an instrument for the photograp …   Useful english dictionary

  • -graphical — Photochronography Pho to*chro*nog ra*phy, n. Art of recording or measuring intervals of time by the photochronograph. {Pho to*chron o*graph ic}, { graph ic*al}, a. {Pho to*chron o*graph ic*al*ly}, adv. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • Photochronographic — Photochronography Pho to*chro*nog ra*phy, n. Art of recording or measuring intervals of time by the photochronograph. {Pho to*chron o*graph ic}, { graph ic*al}, a. {Pho to*chron o*graph ic*al*ly}, adv. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

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