| 单词 | synodic month |
| 释义 | > as lemmassynodic month 2. Astronomy. Pertaining to the conjunction of two heavenly bodies (see conjunction n. 3); said esp. of the revolution, or period of revolution, of a planet between two successive conjunctions with the sun, or of a satellite between two successive conjunctions with (or occultations or eclipses by) its primary planet. synodic month, the synodic period of the moon, i.e. the time from new moon to new moon; a lunar month, lunation. (Opposed to sidereal.) ΘΚΠ the world > time > period > a month or calendar month > [noun] > lunar month monthOE lunation1398 moon1487 month of consecution in Astr1561 lunar month1594 lunary month1602 periodical month1603 month of progression1615 synodic month1669 the world > the universe > planet > position of planet > aspect > [adjective] > conjunction partile1610 synodic1654 conjunctional1665 synodical1669 syzygiacal1672 conjoined1815 syzygial1863 1669 S. Sturmy Mariners Mag. vi. 95 So twenty nine and half [days] in all, Do make a Month Synodical [printed Synonidal]. 1696 W. Whiston New Theory of Earth ii. 139 The Annual Motion in the Circular Orbit before the Deluge, so nicely equal to..twelve Synodical Revolutions of the Moon. 1762 Philos. Trans. 1761 (Royal Soc.) 52 106 The second satellite has a synodical equation of 16′ or 17′ in time, to be subtracted. 1784 W. Herschel in Philos. Trans. (Royal Soc.) 74 242 By which means the sidereal is reduced to a proper synodical period. 1788 Philos. Trans. (Royal Soc.) 78 365 The first satellite performs a synodical revolution round its primary planet in 8 days 17 hours 1 minute and 19·3 seconds. 1812 R. Woodhouse Elem. Treat. Astron. xxviii. 276 The time between conjunction and conjunction, or between opposition and opposition, is denominated, a Synodical period. 1868 J. N. Lockyer Elem. Lessons Astron. §244. 102 Nineteen synodical revolutions of the node..are equal to 223 synodical revolutions of the moon. < as lemmas |
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