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SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133
|Instance of|| SI base unit,|
unit of time
|Subclass of||time interval|
|Part of|| minute,|
centimetre–gram–second system of units,
MKS system of units
|Measured physical quantity|
|Different from|| |
This category has the following 4 subcategories, out of 4 total.
Pages in category "Second"
This category contains only the following page.