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loading...| Preferred Name |
second |
| Synonyms |
s |
| Definitions |
"A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom." [BIPM:BIPM, NIST:NIST] |
| ID |
http://purl.obolibrary.org/obo/UO_0000010 |
| comment |
"A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom." [BIPM:BIPM, NIST:NIST] |
| hasExactSynonym |
s |
| label |
second |
| prefLabel |
second |
| subClassOf |
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