资料来源 : pyDict

残渣的,剩余的残渣,剩余,余数

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Residual \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.

Residual \Re*sid"u*al\ (r?-z?d"?-al), a. [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).

资料来源 : WordNet®

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

residual
     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"