单词 | callippic |
释义 | Callippicadj. Astronomy. Designating a chronological cycle proposed by Callippus as an improvement on the Metonic cycle (see Metonic adj.), consisting of four Metonic cycles (amounting to 76 years) less one day, at the end of which it was thought that the full moon and new moon would be brought round to the same day and hour as at the beginning of the cycle; of or relating to such a cycle.The beginning of the first Callippic cycle was the summer solstice of 330 b.c. ΘΚΠ the world > time > period > cycle of time > cycle of the year > [noun] > specific cycles cynic year or period1607 Callippic1657 canicular period1662 1657 J. Rowland tr. J. Johnstone Hist. Wonderful Things of Nature i. v. 20 Hence the Calyppic period [L. periodus Calyppica], comprehended in 76, yeares; in which time all conjunctions of the Planets, new Moons, and full Moons, and Eclipses returne to the same moment of time. 1728 E. Chambers Cycl. (at cited word) The Calippic Period it self is not accurate;..it does not bring the New and Full Moons precisely to their Places, but brings 'em too late by a whole Day in 553 Years. 1760 R. Heath Astronomia Accurata sig. a** It is also said, by Hipparchus, to be observed in the 54th Year of the second Callipic Period, at Alexandria, the 16th Day of Misson. 1892 Amer. Anthropologist 5 328 This longer cycle of 940 lunations or 76 years is the Callippic cycle of ancient Greece, known long before in China. 1962 Speculum 37 101 I tried to find the ‘authority’ for it and detected it eventually in a date for a vernal equinox, recorded in the Almagest.as observed in the 32nd year of the third Callipic cycle. 2011 O. Pederson & A. Jones Surv. Almagest v. 132 We compute by means of the Callippic calendar, assuming the year to be exactly 365¼ days. This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021). < adj.1657 |
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