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From Ancient Greek μετά (metá, beyond) + ἐν (en, in) + πτωτός (ptōtós, fallen).


metemptosis (uncountable)

  1. The suppression of a day in the calendar to prevent the date of the new moon being set a day too late, or the suppression of the bissextile day once in 134 years.


Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for metemptosis in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)