From Longman Dictionary of Contemporary Englishdecimalizationdec‧i‧mal‧ization (also decimalisation British English) /ˌdesəməlaɪˈzeɪʃən $ ˌdesəmələ-/ noun [uncountable] PECTMthe process of changing to a decimal system of money or measurement —decimalize /ˈdesəməlaɪz $ ˈdesəmə-/ verb [intransitive, transitive]