1. something that remains after a part is removed, disposed of, or used up; a remainder or residue
Usage: formal
2. the part of an estate remaining after payment of debts and specific bequests
Usage: legal

Examples

• The chemical reaction left a dark residuum at the bottom of the flask.
• After the fire, only a small residuum of the building remained standing.
• The lawyer explained that the residuum of the estate would be divided among the heirs.
• Scientists analyzed the residuum from the evaporated solution.
• The residuum of his fortune was donated to charity after all debts were paid.
• Only a residuum of the original manuscript survived the flood.