METONIC CYCLE


Meaning of METONIC CYCLE in English

[ mɪ'tɒnɪk ]

■ noun a period of 19 years (235 lunar months), after which the new and full moons return to the same day of the year.

Origin

named after Metōn , an Athenian astronomer of the 5th cent. BC.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.