from
The Collaborative International Dictionary of English v.0.48
Electro-motive \E*lec`tro-mo"tive\, a.
Producing electro-motion; producing, or tending to produce,
electricity or an electric current; causing electrical action
or effects.
[1913 Webster]
{Electro-motive force} (Physics), the force which produces,
or tends to produce, electricity, or an electric current;
sometimes used to express the degree of electrification as
equivalent to potential, or more properly difference of
potential.
[1913 Webster]