leap second


Definition: Meaning of, leap second in English to English dictionary.

Pronunciation: / liːp ˈsɛk(ə)nd /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
leap second leap seconds
  1. as measured by an atomic clock a second added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation
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    ANTONYM
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