leap second
A second of time added to the year occasionally to compensate for variation in the…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.
Meaning
1 sensesA 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.
Schaltsekunde
корректировочная секу́ндаkorrektirovočnaja sekúnda, секу́нда координацииsekúnda koordinacii, високосная секу́ндаvisokosnaja sekúnda
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
Translations
4 languagesBy meaning 1
By meaning 1
Origin
1971; derived from the terminology for leap day/leap year.1971; derived from the terminology for leap day/leap year.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: leap seconds| Singular | leap second |
|---|---|
| Plural | leap seconds |
regular