The act of setting free from the power of another,
   from slavery, subjection, dependence, or controlling influence; also,
   the state of being thus set free; liberation; as, the emancipation of
   slaves; the emancipation of minors; the emancipation of a person from
   prejudices; the emancipation of the mind from superstition; the
   emancipation of a nation from tyranny or subjection.