Definition of residual
(Entry 1 of 2)
a
: the difference between results obtained by observation and by computation from a formula or between the mean of several observations and any one of them
b
: a residual product or substance
c
: an internal aftereffect of experience or activity that influences later behavior
especially
: a disability remaining from a disease or operation
2
: a payment (as to an actor or writer) for each rerun after an initial showing (as of a TV show)
residual
adjectiveDefinition of residual (Entry 2 of 2)
1
: of, relating to, or constituting a residue
2
: leaving a residue that remains effective for some time
a residual pesticide
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Merriam-Webster unabridged
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Time Traveler for residual
The first known use of residual was in 1557
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