atomic clock

atomic clock
atomic clock
n.
an extremely accurate clock whose precision depends upon the very constant frequency at which atoms (or molecules) of certain substances, as of cesium, rubidium, or ammonia, absorb or emit electromagnetic radiation

English World dictionary. . 2014.

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  • Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …   Wikipedia

  • atomic clock — an extremely accurate electronic clock regulated by the resonance frequency of atoms or molecules of certain substances, as cesium. [1935 40] * * * ▪ instrument       type of clock that uses certain resonance frequencies of atoms (usually cesium… …   Universalium

  • atomic clock — noun a timepiece that derives its time scale from the vibration of atoms or molecules • Hypernyms: ↑timepiece, ↑timekeeper, ↑horologe • Hyponyms: ↑ammonia clock, ↑caesium clock * * * noun, pl ⋯ clocks [count] : a special kind of clock …   Useful english dictionary

  • atomic clock — atominis laikrodis statusas T sritis fizika atitikmenys: angl. atomic clock; atomic timing device vok. Atomuhr, f rus. атомные часы pranc. horloge atomique, f …   Fizikos terminų žodynas

  • atomic clock — atominis laikrodis statusas T sritis Standartizacija ir metrologija apibrėžtis Labai tikslus elektroninis laiko matuoklis. Atominio laikrodžio veikimas kontroliuojamas kai kurių medžiagų (amoniako, cezio) atomų molekulių savaisiais virpesiais.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • atomic clock — atominis laikrodis statusas T sritis Standartizacija ir metrologija apibrėžtis Laikrodis, kuriame laiko masteliui sudaryti naudojami atomų virpesiai. atitikmenys: angl. atomic clock vok. Atomuhr, f rus. атомные часы, m pranc. horloge atomique, f …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Atomic Clock Ensemble in Space — is a project lead by the European Space Agency which will place an ultra stable atomic clock on the International Space Station. Operation in the microgravity environment of the ISS will provide a stable and accurate time base for different areas …   Wikipedia

  • Atomic Clock Ensemble in Space — (ACES) est un projet mené par l Agence spatiale européenne qui placera une horloge atomique ultra stable sur la Station spatiale internationale. Son fonctionnement dans l environnement de microgravité de l ISS va assurer un climat stable et une… …   Wikipédia en Français

  • Atomic Clock Assembly in Space — Externe Forschungsplattformen am Columbus Raumlabor Das Atomic Clock Ensemble in Space (kurz: ACES) ist eines der externen Experimentallabore, die am Columbus Raumlabor, dem Wissenschaftslabor der ESA für die Internationale Raumstation, befestigt …   Deutsch Wikipedia

  • Atomic Clock Ensemble in Space — Externe Forschungsplattformen am Columbus Raumlabor Das Atomic Clock Ensemble in Space (kurz: ACES) ist eines der externen Experimentallabore, die am Columbus Raumlabor, dem Wissenschaftslabor der ESA für die Internationale Raumstation, befestigt …   Deutsch Wikipedia

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