Source : Webster's Revised Unabridged Dictionary (1913)

Elimination \E*lim`i*na"tion\, n. [Cf. F. ['e]limination.]
   1. The act of expelling or throwing off; (Physiol.) the act
      of discharging or excreting waste products or foreign
      substances through the various emunctories.

   2. (Alg.) Act of causing a quantity to disappear from an
      equation; especially, in the operation of deducing from
      several equations containing several unknown quantities a
      less number of equations containing a less number of
      unknown quantities.

   3. The act of obtaining by separation, or as the result of
      eliminating; deduction. [See {Eliminate}, 4.]

Source : WordNet®

elimination
     n 1: the act of removing or getting rid of something [syn: {riddance}]
     2: the bodily process of discharging waste matter [syn: {evacuation},
         {excretion}, {excreting}, {voiding}]
     3: analysis of a problem into alternative possibilities
        followed by the systematic elimination of unacceptable
        alternatives [syn: {reasoning by elimination}]
     4: the act of removing an unknown mathematical quantity by
        combining equations
     5: the murder of a competitor [syn: {liquidation}]