英语词汇“Metonic”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

Metonic

释义

Metonic, a.|mɪˈtɒnɪk|
[ad. mod.L. Metōnic-us, f. Metōn, Gr. Μέτων, the name of the Athenian astronomer by whom the cycle was discovered.]
Metonic cycle, Metonic period, † Metonic year: the cycle of 19 Julian years (closely approximating to 235 lunations) in which the moon returns (nearly) to the same apparent position with regard to the sun, so that the new and full moons occur at the same dates in the corresponding year of each cycle.
1696Phillips, Metonic-Year, is the Space of 19 years, in which space of Time, the Lunations return and happen as they were before.1704J. Harris Lex. Techn. I, Metonick Year, or Period..'tis sometimes called The Great Metonic Year, and is the same with the Cycle of the Moon.1839Penny Cycl. XV. 144/1 The first year of the first Metonic period commenced with the summer solstice of the year 432 b.c.1881R. Routledge Science i. 12 The golden number being simply the ordinal position of the year in the Metonic cycle of nineteen years.

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