
1) Change 2) Metrification
Found on
https://www.crosswordclues.com/clue/metrication

Metrication or metrification is the conversion to the metric system of weights and measures. This has involved a long process of independent and systematic conversions of countries from various local systems of weights and measures. Metrication began in France during the 1790s, and it spread widely during the following two centuries. The metric sy...
Found on
http://en.wikipedia.org/wiki/Metrication
No exact match found.