centiday means one hundredth of one day; that is, 14 minutes and 24 seconds. Lexicurio rates it Sui generis — a strength score of 90 out of 100.
centiday is pronounced /ˈsɛntɪdeɪ/.
Etymology
From centi- + day.
noun
- 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.”