second (Q3757)
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SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133
- s
- seconds
- sec.
- sec
| 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 |
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