English edit

Etymology edit

centi- +‎ day

Pronunciation edit

Noun edit

centiday (plural centidays)

  1. One hundredth of one day; that is, 14 minutes and 24 seconds.
    • 2008, unknown editor, Talking television.au: There's an April fool born every centiday, blog posting on 31st March 2008[1]:
      ABC's This Day Tonight in Adelaide proudly broke the news on 1 April 1975 that metric time was being introduced to Australia. The new metric time system would see seconds become millidays, minutes become centidays, and hours become decidays.

Usage notes edit

  • Not a standard unit; was suggested in past prior to the adoption of the second(s) for metric and later SI use.

Related terms edit