| 释义 |
lunation|l(j)uːˈneɪʃən|
[ad. med.L. lūnātiōn-em (whence F. lunaison, It. lunazione, Sp. lunacion, Pg. lunação), f. lūna moon: see -ation.]
1. The time from one new moon to the next, constituting a lunar month (= 29½ days).
1398Trevisa Barth. De P.R. ix. ix. (1495) 354 A monthe of the mone is also taken for a full lunacyon whyche duryth fro chaunge to chaunge. c1400Mandeville (1839) xxx. 301 And there is not the Mone seyn in alle the Lunacioun. 1653Shakerley Tabulæ Britan. [117] A Table of the mean Lunations. 1664Power Exp. Philos. Pref. 4 Lunations of the inferiour Planets. 1690Leybourn Curs. Math. 466 The Arabians..having respect to the Moon form their Year of 12 Synodical Lunations. 1712Steele Spect. No. 545 ⁋13 The 8th day of the third lunation, and the 4th year of our reign. 1812Woodhouse Astron. xxx. 295 From the inequality of the Moon's motion, this synodic period, or lunation, is not always of the same length. 1893Sir R. Ball Story of Sun 132 Nineteen years is almost exactly equal to two hundred and thirty five lunations.
2. The time of full moon.
c1549in Froude Hist. Eng. (1881) IV. 405 They..intend at this or next lunation to conjure for treasure hid between Newbury and Reading. 1686Goad Celest. Bodies i. vi. 19 The Exuberance of the Tides at or neer the æquinoctial Lunations. 1953A. C. Clarke Prelude to Space xxii. 115 If..there's a last-minute hold-up, launching will be delayed.., at the most, thirty-six hours. After that we'll have to wait for the next lunation—that is, for four weeks... We're anxious to land in daylight.
3. A menstruation. rare.
1822–34Good's Study Med. (ed. 4) IV. 46 A tendency to keep up that periodical habit of depletion, which will probably prove advantageous against the ensuing lunations. |