Usage Note
Motriz is the feminine adjectival form of motor (the masculine is motor, e.g. fuerza motriz vs nervio motor). It appears most often in fuerza motriz (driving force) and in anatomy (neurona motriz, motor neuron). Its plural is motrices.
Examples
"La electricidad es la fuerza motriz de la industria."
Natural Translation
Electricity is the driving force of industry.

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