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单词 platonic year
释义

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.
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 UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
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