article Related Topics:
Second_Best :: Secondhand_Lions :: Second_Skin_-_1999 :: Second_Order_Cybernetics :: Second_City_TV :: Second_Edition :: Secondary :: Second_Mesa :: Second_Peninsula :: Second_Division
 

The second (symbol: s) is a unit for time, and one of the seven SI base units. It is defined as the time taken by 9,192,631,770 cycles of radiation that comes from electrons moving between two energy levels of the caesium-133 atom.

A second is also 1/60 of a minute, and 1/3600 of an hour.

Measurement | Time

Segon | Sekunda | Sekund | Sekunde | Sekund | Second | Segundo | Sekundo | Seconde | Secunda | Secondo | Seconde | | Sekonn Sekunda | Sekunda | Sekunti |

 

This article is licensed under the GNU Free Documentation License. It uses material from the "Second".

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