| 单词 | astronomical year |
| 释义 | > as lemmasastronomical year astronomical year n. a year whose length is determined by astronomical observations, esp. the tropical year or the sidereal year, and usually differing significantly from the standard civil year; (more generally) the year in terms of annual astronomical events. ΘΚΠ the world > time > period > year > [noun] > reckoned in a specific way > astronomical or lunar year astronomical year1583 lunar year1594 lunary year1602 lunisolar year1680 1583 R. Harvey Astrological Disc. sig. B.iv These two superior planets Saturne and Iupiter shall the second time also be very nigh the one ye other, ye 26. day of October, this present yeare 1583. being then almost conioyned againe togither in Pisces, but both retrograde, & not long before, at the beginning of the second Reuolution, and third part of the Astronomical yeare. 1680 T. Smith Acct. Greek Church 31 They make use of the old Paschal Cycle, and limits of it, as they were establisht by the Fathers of the first general Council at Nice; who taking no notice of the inequality and difference of the true Astronomical year from the Civil, then and still in use, which admits not of the nice calculation of the supernumerary minutes, made no provision for the praecession of the Aequinoxes. 1807 T. Young Course Lect. Nat. Philos. I. xlv. 541 The astronomical year begins at noon on the 31st of December, and the date of an observation expresses the days and hours actually elapsed from that time. 1924 Pop. Sci. Monthly Sept. 56/1 For centuries efforts have been made to improve the calendar so that it would coincide with the astronomical year. 2006 R. Beck Relig. Mithras Cult x. 254 Sirius, the Dog-star, is the brightest star in the heavens, and its heliacal or morning rising was eagerly anticipated as one of the most significant markers in the seasonal and astronomical year. < as lemmas |
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