Definition of 'leap second'
Example sentences containing 'leap second'
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The first leap second was introduced in 1972 and only around 30 more have been introduced since then. Times, Sunday Times (2013)The leap second being added at the end of 2008 is due to the gradual slowing of the Earth spinning on its axis. Times, Sunday Times (2008)He says that while in Britain the leap second is added during the night, the rest of the world is not so lucky. Times, Sunday Times (2015)
Definition of leap second from the Collins English Dictionary
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