| Term | sec |
|---|---|
| Definition | A unit of time, one of the seven base units of the International System of Units (Systeme International d'Unites, SI). The second is the duration of 919 263 177 0 periods of the specified light radiation corresponding to the transition between the two hyperfine levels of the caesium 133 atom in its ground state at 0 K. According to the convention, 60 seconds constitute one minute; 3,600 seconds constitute one hour. |
| UCUM c/s | s |
| Provenance term | Second |
| Provenance | Second |
| Provenance uri | http://purl.obolibrary.org/obo/NCIT_C42535 |
| Category | - |
| Note | - |
| Status | ACCEPTED |