Platonic year
noun Astronomy.
a period of about 26,000 years, equal to the time required for a complete revolution of the equinoxes.
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What does “clement” mean?
Also called great year.
Compare precession of the equinoxes.
Origin of Platonic year
First recorded in 1630–40
Words nearby Platonic year
Plato, Platonic, Platonic love, Platonic or platonic, Platonic solid, Platonic year, Platonism, Platonize, platoon, platoon sergeant, Plattdeutsch
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020