motorization
nounUK /ˌməʊtəraɪˈzeɪʃən/
US /ˌmoʊtərəˈzeɪʃən/
Motorization is when people start using machines with engines to do things instead of doing them by hand or with animals.
The motorization of farming meant tractors replaced horses in the fields.
OTHER MEANINGS
2. The act of fitting a vehicle or machine with a motor.
The motorization of the old bicycle turned it into a moped.
3. The growth in the number of cars and other motor vehicles in a place.
Rapid motorization in the city led to more traffic and new roads.
4. The process of equipping an army or group with motor vehicles.
The motorization of the troops let them move much faster than marching.