re·sid·u·um /rɪˈzɪʤəwəm/
  賸餘;殘滓;殘留物
  re·sid·u·um /rɪˈzɪʤəwəm/ 名詞
  Re·sid·u·um n.  That which is left after any process of separation or purification; that which remains after certain specified deductions are made; residue.
     =\“I think so,” is the whole residuum . . . after evaporating the prodigious pretensions of the zealot demagogue.\=   --L. Taylor.
  ◄ ►
  residuum
       n : 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, residual, residue, rest]
       [also: residua (pl)]