Meanings
nounPlatonic year (plural Platonic years)
plural Platonic years
- astronomyGreat Year; one complete precession of the equinoxes, approximately 25,765 years.
Synonyms & antonyms
nountime required for one complete cycle of the precession of the equinoxes, about 25,800 years
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Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
Platonic year. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Platonic%20year
MLA
“Platonic year.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Platonic%20year. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Platonic year,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Platonic%20year.
Source: Platonic year on Wiktionary, CC BY-SA 4.0.