1 remove, get rid of.
2 exclude from consideration; ignore as irrelevant.
3 exclude from further participation in a competition etc. on defeat.
4 Physiol. discharge (waste matter).
5 Chem. remove (a simpler substance) from a compound.
6 Algebra remove (a quantity) by combining equations.
Derivatives:
eliminable adj. elimination n. eliminator n. eliminatory adj.
Etymology: L eliminare (as E-, limen liminis threshold)
Useful english dictionary. 2012.