Q968

{"type":"item","id":"Q968","labels":{"en":{"language":"en","value":"second"}},"descriptions":{"en":{"language":"en","value":"SI unit of time, defined as 9\u2009192\u2009631\u2009770 periods of the ground-state hyperfine transitions of caesium-133"}},"aliases":{"en":[{"language":"en","value":"s"},{"language":"en","value":"seconds"},{"language":"en","value":"sec."},{"language":"en","value":"sec"}]},"claims":[],"sitelinks":[]}