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Word of the Day
Wednesday, July 31, 2013

Definitions for residuum

  1. the residue, remainder, or rest of something.
  2. Also, residue. Chemistry. a quantity or body of matter remaining after evaporation, combustion, distillation, etc.
  3. any residual product.

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Citations for residuum
Perhaps not: the residuum is, you see, Byres, what is left. Frederick Marryat, The Poacher, 1841
Our friend's corporeal envelope had been so well lined with this residuum, as well as various earlier memories of his parents, that their own special Swann had become to my family a complete and living creature... Marcel Proust, translated by C.K. Scott Moncrieff and Terence Kilmartin, Remembrance of Things Past, 1922–1931
Origin of residuum
Residuum shares a root with the word residue. It comes directly from the Latin residuum meaning "a remainder."