metemptosis Meaning, Definition & Usage

Met`emp*to"sis noun
Etymology
NL., from Gr. beyond, after + a falling upon, fr. to fall in or upon; in + to fall.
Definitions
  1. (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 1913