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residual

 [ri-zij-oo-uhl]   Origin

re·sid·u·al

   [ri-zij-oo-uhl]
adjective
1.
pertaining to or constituting a residue or remainder; remaining; leftover.
2.
Mathematics.
a.
formed by the subtraction of one quantity from another: a residual quantity.
b.
(of a set) having complement of first category.
3.
of or pertaining to the payment of residuals.
4.
Medicine/Medical. remaining in an organ or part following normal discharge or expulsion: residual air.
5.
Geology. remaining after the soluble elements have been dissolved: residual soil.
noun
6.
a residual quantity; remainder.
7.
Often, residuals. something that remains to discomfort or disable a person following an illness, injury, operation, or the like; disability: His residuals are a weak heart and light-headedness.
8.
Mathematics.
a.
the deviation of one of a set of observations or numbers from the mean of the set.
b.
the deviation between an empirical and a theoretical result.
9.
Navigation. a slight deviation of an adjusted compass on a certain heading.
10.
Usually, residuals. additional pay given to a performer for reruns, repeated use of a film, radio or TV commercial, or the like, in which the performer appears.

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Residual is always a great word to know.
So is integer. Does it mean:
one of the positive or negative numbers 1, 2, 3, or zero
problem solving defined only for an isolated set of points, using only arithmetic and algebra; not involving calculus
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Origin:
1550–60; < Latin residu(um) what is left over (noun use of neuter of residuus left over, equivalent to resid(ēre) to be left over, literally, remain seated (see reside) + -uus deverbal adj. suffix) + -al1

Related forms
non·re·sid·u·al, adjective, noun
un·re·sid·u·al, adjective

Can be confused: residual, residue.

Synonyms
1. continuing, lasting, enduring, lingering.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Collins
World English Dictionary
residual (rɪˈzɪdjʊəl)
 
—adj
1.  of, relating to, or designating a residue or remainder; remaining; left over
2.  (of deposits, soils, etc) formed by the weathering of pre-existing rocks and the removal of disintegrated material
3.  of or relating to the payment of residuals
 
—n
4.  something left over as a residue; remainder
5.  statistics
 a.  the difference between the mean of a set of observations and one particular observation
 b.  the difference between the numerical value of one particular observation and the theoretical result
6.  (often plural) payment made to an actor, actress, musician, etc, for subsequent use of film in which the person appears
 
re'sidually
 
—adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

residual
1560s, from residue.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

residual re·sid·u·al (rĭ-zĭj'&oomacr;-əl)
adj.

  1. Of, relating to, or characteristic of a residue.

  2. Remaining as a residue.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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