Ontology of units of Measure
6 terms(s) returned
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- 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom
- international prototype of the kilogram
- one binary digit
- path travelled by light in vacuum during a time interval of 1/299 792 458 of a second
- system that contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 122
- triple point of water
