1completely remove or get rid of (something):a policy that would eliminate inflation
exclude (someone or something) from consideration or further participation:the police have eliminated Lawrence from their inquiries (as adjective eliminating)teams who had fought their way through the eliminating rounds
2expel (waste matter) from the body:this diet claims to eliminate toxins from the body
3 Mathematics remove (a variable) from an equation, typically by substituting another which is shown by another equation to be equivalent.
4 Chemistry generate (a simple substance) as a product in the course of a reaction involving larger molecules:the acid portion of one molecule reacts with the basic portion of the other, and water is eliminated
