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单词 golden number
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golden number
golden number n. [after post-classical Latin aureus numerus (from 13th cent. in British sources)] any of the numbers from one to nineteen that can be assigned to each year according to the Metonic cycle (Metonic cycle n. at Metonic adj.). Now rare.The golden numbers are used in determining the date of Easter and are calculated by dividing the number of the year by nineteen and adding one to the remainder.
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the world > time > period > cycle of time > [noun] > lunar cycle of nineteen years > number of any year in
primea1387
golden number?1430
prime number1667
?1430 in J. O. Halliwell Rara Mathematica (1839) 90 (MED) Ȝour pryme schal be to ȝow a specyal doctour of dyverse conclusyons, querfore in latyn he is clepyt þe golden nownbur and begynnyȝt at one and rennyth to xix and turnyth aȝayn to one.
1561 R. Eden tr. M. Cortés Arte Nauigation ii. vi. sig. Dviv This present yeare of .1545, we haue .7. of the golden number.
1686 R. Plot Nat. Hist. Staffs. x. 431 They scrupled not to set them in the margins of their Calendars in characters of gold, whence they are stiled to this day, also the golden number.
1819 J. Stuart Hist. Mem. City Armagh App. viii. 601 The English philosopher [sc. Bede]..having found the golden number XIX. he perceived that it indicated the 3d of May.
2006 Burlington (Iowa) Hawk Eye 16 Apr. 8 d/6 One problem with the Julian calendar was that in years which have the same Golden Number, the new moon will fall on the same date—usually.
extracted from goldenadj.n.
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