second
https://w3id.org/uom/s
- rdf:type
- skos:exactMatch
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rdfs:label
- second
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skos:definition
- An SI base unit which 1) is the SI unit of time and 2) is defined by taking the fixed numerical value of the caesium frequency, ∆νCs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be 9 192 631 770 when expressed in the unit hertz, which is equal to a reciprocal second.
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SI code
- s
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UCUM code
- s
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