Me·ton·ic cycle (m -t n k)n. A period of 235 lunar months, or about 19 years in the Julian calendar, at the end of which the phases of the moon recur in the same order and on the same days as in the preceding cycle. [After Meton (fl. fifth century b.c.), Athenian astronomer.] |
Metonic cycle [mɪˈtɒnɪk]
n
(Astronomy) a cycle of nearly 235 synodic months after which the phases of the moon recur on the same days of the year See also golden number
[named after Meton, 5th-century bc Athenian astronomer]
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