bn:00050432n
Noun Concept
Categories: Timekeeping, Articles with short description, 1972 introductions, All articles containing potentially dated statements, 1972 in science
EN
leap second
EN
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 WordNet 3.0
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EN
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 WordNet 3.0 & WordNet 2020
A leap second is a one-second adjustment that is occasionally applied to Coordinated Universal Time, to accommodate the difference between precise time and imprecise observed solar time. Wikipedia
A second of time added to the year occasionally to compensate for variation in the rate of Earth's rotation relative to the absolute standards of time. Wiktionary
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