Elimination

Elimination (from Latin eliminare " bring over the threshold, remove " ) is

Removing a linear multiple unknowns in mathematics, see equation system
Cleaving two atoms or atom groups in a chemical reaction, elimination reaction, see
The phosphorus removal in wastewater treatment
The sum of all processes which contribute to the decrease in concentration of a foreign substance in an organism, see elimination ( pharmacokinetics )
The evolutionarily related, gradual disappearance of certain genetic traits within a population, see elimination ( genetics)
The victory over an opponent in a single elimination in sports, see Knockout System
A discipline of track cycling, see excretion driving