great year
Platonic Pla*ton"ic, Platonical Pla*ton"ic*al, a. [L. Platonicus, Gr. ?: cf. F. platonique.] 1. Of or pertaining to Plato, or his philosophy, school, or opinions. [1913 Webster]

2. Pure, passionless; nonsexual; philosophical. [1913 Webster]

{Platonic bodies}, the five regular geometrical solids; namely, the tetrahedron, hexahedron or cube, octahedron, dodecahedron, and icosahedron.

{Platonic love}, a pure, spiritual affection, subsisting between persons of opposite sex, unmixed with carnal desires, and regarding the mind only and its excellences; -- a species of love for which Plato was a warm advocate.

{Platonic year} (Astron.), a period of time determined by the revolution of the equinoxes, or the space of time in which the stars and constellations return to their former places in respect to the equinoxes; -- called also {great year}. This revolution, which is caused by the precession of the equinoxes, is accomplished in about 26,000 years. --Barlow. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Great year — Year Year, n. [OE. yer, yeer, [yogh]er, AS. ge[ a]r; akin to OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r, Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year, springtime, a part of the day, an hour, ? a year, Zend y[=a]re… …   The Collaborative International Dictionary of English

  • great year — n. one full cycle of precession of the equinoxes, equal to c. 25,800 years …   English World dictionary

  • Great year — A Great year (also known as a Platonic year or Equinoctial cycle) is the time required for one complete cycle of the precession of the equinoxes, about 25,765 years, at the current rate. Astrologers consider it important, while modern day… …   Wikipedia

  • great year — noun time required for one complete cycle of the precession of the equinoxes, about 25,800 years • Syn: ↑Platonic year • Hypernyms: ↑time period, ↑period of time, ↑period * * * noun Etymology: Middle Eng …   Useful english dictionary

  • great year — Astron. See Platonic year. [1905 10] * * * …   Universalium

  • great year —    the Platonic year …   Dictionary of units of measurement

  • great year — noun Date: circa 1741 the period of about 25,800 years required for one complete cycle of the equinoxes around the ecliptic …   New Collegiate Dictionary

  • Great Year. — See Magnus Annus. * * * …   Universalium

  • Great Year. — See Magnus Annus …   Useful english dictionary

  • Year — Year, n. [OE. yer, yeer, [yogh]er, AS. ge[ a]r; akin to OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r, Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year, springtime, a part of the day, an hour, ? a year, Zend y[=a]re year …   The Collaborative International Dictionary of English

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