leap second

noun

Meaning

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.

Etymology / origin

No prose etymology has been added yet.

No ancestor words have been linked yet.

Related words

leap day(English)leap year(English)bissextile year(English)leap week(English)terasecond(English)split second(English)just a second(English)sec.(English)

Descendant words

No descendant words have been linked yet.

Sources

DictionaryAPI.dev English dictionary data

leap second — meaning and etymology | WikiWord