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Webster 1913 Edition

Metemptosis

Metˊemp-to′sis

,
Noun.
[NL., from Gr. [GREEK] beyond, after + [GREEK] a falling upon, fr. [GREEK] to fall in or upon; [GREEK] in + [GREEK] to fall.]
(Chron.)
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. The opposite to this is the proemptosis, or the addition of a day every 330 years, and another every 2,400 years.

Webster 1828 Edition

Metemptosis

METEMP'TOSIS

,
Noun.
[Gr. after, and to fall.] In chronology,the solar equation necessary to prevent the new moon from happening a day too late, or the suppression of the bissextile once in 134 years. The opposite to this is the proemptosis, or the addition of a day every 300 years, and another every 2400 years.

Definition 2024

metemptosis

metemptosis

English

Noun

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.

Antonyms

Etymology

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

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