residue

noun

1. 1

   Whatever remains after something else has been removed.

2. 2

   The substance that remains after evaporation, distillation, filtration or any similar process.

3. 3

   A molecule that is released from a polymer after bonds between neighbouring monomers are broken, such as an amino acid in a polypeptide chain.

4. 4

   Whatever property or effects are left in an estate after payment of all debts, other charges and deduction of what is specifically bequeathed by the testator.

5. 5

   A form of complex number, proportional to the contour integral of a meromorphic function along a path enclosing one of its singularities.