Definitions
There is 1 meaning of the phrase
Leap Second.
Leap Second - as a noun
A second (as measured by an atomic clock) added to or subtracted from greenwich mean time in order to compensate for slowing in the earth's rotation
Example Sentences
"A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time (UTC)."
"The most recent leap second was added on December 31, 2016."
"The decision to add a leap second is made by the International Earth Rotation and Reference Systems Service."
"Some computer systems struggle to handle leap seconds accurately."
"During a leap second, time effectively stands still for one second."
