second (Q539): Difference between revisions
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Created a new Item |
Created claim: Wikidata QID (P35): Q11574 |
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Latest revision as of 13:04, 21 March 2025
SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | second |
SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133 |