| English Dictionary |
LEAP SECOND
| Pronunciation (US): |  | (GB): | |
| IPA (US): |  |
Dictionary entry overview: What does leap second mean?
• LEAP SECOND (noun)
The noun LEAP SECOND has 1 sense:
1. 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
Familiarity information: LEAP SECOND used as a noun is very rare.
Dictionary entry details
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)
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