Astronomy Answers
From the Astronomical Dictionary


[Astronomy Answers] [Dictionary] [AnswerBook] [Universe Family Tree] [Science] [Starry Sky] [Planet Positions] [Calculate] [Colophon]

The description of the word you requested from the astronomical dictionary is given below.

the leap year

plural: leap years

A leap year is a year that contains one day more than ordinary years. Leap years are necessary to keep the calendar in step with the seasons.