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second

 
/ˈsek·ənd/ n [C] (short form sec) (TIME)

Definition

any of the 60 parts that a minute is divided into: She won by 22 seconds. A second is also any short period of time: I’ll be back in a second.
(Definition of second n (TIME) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“second” in other dictionaries

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