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great year

 - 3 dictionary results

Great Year

–noun
Magnus Annus.

Platonic year

–noun Astronomy.
a period of about 26,000 years, equal to the time required for a complete revolution of the equinoxes.
Also called great year.


Origin:
1630–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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