pertaining to or constituting a residue or remainder; remaining; leftover.
2.
Mathematics.
formed by the subtraction of one quantity from another:
a residual quantity.
(of a set) having complement of first category.
3.
of or relating 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.
the deviation of one of a set of observations or numbers from the mean of the set.
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.
1550-60; < Latinresidu(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) + -al^{1}