Library / English Dictionary |
LEAP SECOND
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
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
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("leap second" is a kind of...):
s; sec; second (1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites)