neutralize

neutralize is a Verb

Definition:

[1] To render neutral; to reduce to a state of neutrality. So here I am neutralized again. Sir W. Scott.

[2] To render inert or imperceptible the peculiar affinities of, as a chemical substance; to destroy the effect of; as, to neutralize an acid with a base.

[3] To destroy the peculiar or opposite dispositions of; to reduce to a state of indifference inefficience; to counteract; as, to neutralize parties in government; to neutralize efforts, opposition, etc. Counter citations that neutralize each other. E. Everett.