The process or act of dividing something into hundredths or converting to a system based on hundredths.
From 'centesimate' plus the noun suffix '-tion.' This abstract noun describes the action of centesimating something.
The French Revolutionary era literally created 'centesimation' as a concept—they were so committed to base-10 that they even tried to make 100-second minutes and 10-hour days (it didn't stick!).
Complete word intelligence in one call. Free tier — 50 lookups/day.