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atomic clock |
Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
atomic clock n (Physics / Atomic Physics) (Miscellaneous Technologies / Horology) an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia
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| Timekeepers argue that both measures are useful but haven't agreed when to add leap seconds to make the planetary and the atomic clock years match up (SN: 4/22/06, p. A team of researchers from NIST have met a major milestone in the Defense Advanced Research Projects Agency's Chip Scale Atomic Clock (CSAC) program by successfully microfabricating a cesium (Cs) vapor cell with a volume of less than 10 m[m. The new XNTP module allows the host to be synchronized with an atomic clock time server. |
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