tropical year
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The second feature of the new Gregorian calendar was a change in the rule for leap year, making the average length of the year more closely approximate the tropical year.
From Textbooks • Oct. 13, 2016
The basic period of revolution of Earth, called the tropical year, is 365.2422 days.
From Textbooks • Oct. 13, 2016
The Julian calendar approximated the mean tropical year as 365.25 days and proposed 366-day leap years for every one divisible by four.
From Scientific American • Oct. 18, 2011
The true number of days in the mean tropical year actually varies slightly over time.
From Scientific American • Oct. 18, 2011
Limits of variation of the tropical year modified by the disturbing action of the sun and moon upon the terrestrial spheroid.—The tropical year will not continue indefinitely to diminish in length.
From Biographies of Distinguished Scientific Men by Grant, Robert
