3 definitions found

From WordNet (r) 2.0 [wn]:

residual

adjective: relating to or indicating a remainder; "residual quantity" [syn: {residuary}]

noun

1: something left after other parts have been taken away; "there was no remainder"; "he threw away the rest"; "he took what he wanted and I got the balance" [syn: {remainder}, {balance}, {residue}, {residuum}, {rest}]

2: (often plural) a payment that is made to a performer or writer or director of a television show or commercial that is paid for every repeat showing; "he could retire on his residuals"

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Residual \Re*sid"u*al\ (r?-z?d"?-al), adjective [See {Residue}.] Pertaining to a residue; remaining after a part is taken.

{Residual air} (Physiol.), that portion of air contained in the lungs which can not be expelled even by the most violent expiratory effort. It amounts to from 75 to 100 cubic inches. Cf. {Supplemental air}, under {Supplemental}.

{Residual error}. (Mensuration) See {Error}, 6 (b) .

{Residual figure} (Geom.), the figure which remains after a less figure has been taken from a greater one.

{Residual magnetism} (Physics), remanent magnetism. See under {Remanent}.

{Residual product}, a by product, as cotton waste from a cotton mill, coke and coal tar from gas works, etc.

{Residual quantity} (Alg.), a binomial quantity the two parts of which are connected by the negative sign, as a-b.

{Residual root} (Alg.), the root of a residual quantity, as [root](a-b).

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Residual \Re*sid"u*al\, noun (Math.) (a) The difference of the results obtained by observation, and by computation from a formula. (b) The difference between the mean of several observations and any one of them.
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