Word:

leap second

Noun1.leap second - 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
leap second - Coordinated Universal Time
s, sec, second
Browse
lean on
Lean-faced
Lean-to
lean-to tent
Lean-witted
Leander
leaner
Leaning
Leaning Tower
Leaning Tower of Pisa
Leanly
Leanness
Leany
Leap
leap day
leap out
-- leap second --
Leap year
Leaper
Leapfrog
leapfrog attack
Leapful
Leaping
Leaping house
Leaping pole
Leaping spider
Leapingly
Lear
Learn
Learnable
Learned
learned person
learned profession
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