English edit

 
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Etymology edit

1971;[1] derived from the terminology for leap day/leap year.

Noun edit

leap second (plural leap seconds)

  1. 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.

Related terms edit

Translations edit

References edit

  1. ^ leap second”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. "First Known Use of leap second 1971, in the meaning defined above"

Further reading edit

Anagrams edit