noun, plural re·sid·u·a [ri-zij-oo-uh] /rɪˈzɪdʒ u ə/.
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. 2019
Related Words for residuarest, vestige, residue, particle, remains, fragment, shred, bit, piece, slag, debris, silt, waste, trash, powder, impact, outcome, stump, surplus, garbage
Examples from the Web for residua
Historical Examples of residua
The residua of distillation remain almost entirely in the reservoir, O, from whence they are easily removed.
noun plural -ua (-jʊə)
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
n. pl. re•sid•u•a (-ōō-ə)
Something remaining after removal of a part; a residue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.