elimination

名词 elimination:

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