decimalisation

Etymology
From.

Noun

 * 1) Conversion to a decimal system.
 * 2) Specifically, conversion of the currencies of the United Kingdom and Ireland in 1971 from pounds, shillings and pence to a decimal system in which one pound was worth 100 new pence (later renamed simply pence).
 * 1) Specifically, conversion of the currencies of the United Kingdom and Ireland in 1971 from pounds, shillings and pence to a decimal system in which one pound was worth 100 new pence (later renamed simply pence).

Derived terms

 * pre-decimalisation