Definition of potentials:
(n) :
A currently unrealized ability (with the most common adposition being to).
(adj) :
Existing in possibility, not in actuality.
(n) :
(physics) The gravitational potential: the radial (irrotational, static) component of a gravitational field, also known as the Newtonian potential or the gravitoelectric field.
(n) :
(physics) The work (energy) required to move a reference particle from a reference location to a specified location in the presence of a force field, for example to bring a unit positive electric charge from an infinite distance to a specified point against an electric field.
(adj) :
(physics, of a field) irrotational
(adj) :
(physics, of a flow) irrotational (see potential flow on Wikipedia)