[UK and ANZ] usually -isation [noun] [U]Decimalization is the changing of a system or number to a decimal form .Decimalization of the clock has been tried before, but people seemed to prefer the 24 hour system.Many people in Britain can still remember the days before decimalization (= before money was changed to a decimal system).
DECIMALIZATION
Meaning of DECIMALIZATION in English
Cambridge English vocab. Кембриджский английский словарь. 2012