(algebra) The quotient ring of a commutative ring divided by one of its maximal ideals; by a certain theorem such a quotient ring must be a field.

(law) The part left over (especially of an estate).

The risk left over after safeguards (mitigation strategies) have been implemented.

(biology) The volume of unexpended air that remains in the lungs following maximum expiration.

(law) Power that is retained by the government after other powers were distributed to other authorities in the course of elections or by the process of delegation.

plural of residual stress

(physics) A stress that remains in a solid material after the original cause of the stress has been removed.

plural of residual power

plural of residual risk

plural of residual volume