What is Non-reinforcement?

Non-reinforcement definition and meaning on Dictionary terms:
the act of reinforcing.
the state of being reinforced.
something that reinforces or strengthens.
Often reinforcements. an additional supply of personnel, ships, aircraft, etc., for a military force.
a system of steel bars, strands, wires, or mesh for absorbing the tensile and shearing stresses in concrete work.
Psychology. a procedure, as a reward or punishment, that alters a response to a stimulus.the act of reinforcing a response.