residue

The remainder of something after removal of parts or a part.

Matter remaining after completion of an abstractive chemical or physical process, such as evaporation, combustion, distillation, or filtration; residuum.

The part of a monomer or other chemical unit that has been incorporated into a polymer or large molecule.

The remainder of a testator's estate after all specific bequests and applicable debts and expenses have been disposed of.

That which remains after a part is taken, separated, removed, or dealt with in some other way; what is left over; remainder; the rest.