• synonyms


[ri-zij-oo-uh m]
See more synonyms for residuum on Thesaurus.com
noun, plural re·sid·u·a [ri-zij-oo-uh] /rɪˈzɪdʒ u ə/.
  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.
  4. Law. the residue of an estate.
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Origin of residuum

From Latin, dating back to 1665–75; see origin at residual
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

rest, vestige, residue, particle, remains, fragment, shred, bit, piece, slag, debris, silt, waste, trash, powder, impact, outcome, stump, surplus, garbage

Examples from the Web for residuum

Historical Examples

  • To us there seems to be no residuum of this long piece of dialectics.



  • We are not concerned to determine what is the residuum of truth which remains for ourselves.

  • But the residuum of separate nations was some time in making its appearance.

    The Story of Rouen

    Sir Theodore Andrea Cook

  • The residuum of truth that remained after these had been sifted out was something like this.

    Crooked Trails and Straight

    William MacLeod Raine

  • After elimination of all verbiage, this fact was the only residuum.

British Dictionary definitions for residuum


noun plural -ua (-jʊə)
  1. a more formal word for residue
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

residuum in Medicine


n. pl. re•sid•u•a (-ōō-ə)
  1. Something remaining after removal of a part; a residue.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.