completely remove or get rid of (something)

a policy that would eliminate inflation

expel (waste matter) from the body

this diet claims to eliminate toxins from the body

remove (a variable) from an equation, typically by substituting another which is shown by another equation to be equivalent

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