re·sid·u·al /rɪˈzɪʤəwəl, ʤəl; ˈzɪʤwəl/
 (a.)殘渣的,賸餘的殘渣,賸餘,餘數


 re·sid·u·al /rɪˈzɪʤ(ə)wəl, ˈzɪʤəl/ 形容詞
 殘留,殘質,後遺症


 residual
 殘餘


 Re·sid·u·al a.  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 √(a-b).


 Re·sid·u·al, n. 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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 residual
      adj : relating to or indicating a remainder; "residual quantity"
            [syn: residuary]
      n 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"