residuum

[ri-zij-oo-uh m] /rɪˈzɪdʒ u əm/
noun, plural residua
[ri-zij-oo-uh] /rɪˈzɪdʒ u ə/ (Show IPA)
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.
Origin
1665-75; < Latin; see residual
Examples from the web for residuum
  • We can observe the residuum of these zones as a dark matter streaks.
  • We can observe the residuum of these zones as a dark matter streaks.
  • Formed in loess and loamy or clayey cherty limestone residuum.
  • Formed in loess or silty material and shale residuum.
  • These soils formed in residuum weathered from cherty limestone.
  • Ordinarily, the products are collected by fractional distillation and solvent extraction of the residuum.
British Dictionary definitions for residuum

residuum

/rɪˈzɪdjʊəm/
noun (pl) -ua (-jʊə)
1.
a more formal word for residue
residuum in Medicine

residuum re·sid·u·um (rĭ-zĭj'ōō-əm)
n. pl. re·sid·u·a (-ōō-ə)
Something remaining after removal of a part; a residue.