E*lim`i*na"tion (?), n. [Cf. F. élimination.] 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.]

• The act of expelling or throwing off
  
• the act of discharging or excreting waste products or foreign substances through the various emunctories.
  
• 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.
  
• The act of obtaining by separation, or as the result of eliminating; deduction.