Centiday

//ˈsɛntɪdeɪ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    One hundredth of one day; that is, 14 minutes and 24 seconds.

    "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."

Example

More examples

"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."

Etymology

From centi- + day.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.