To effect neutralization.
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neu·tral·ize also Brit neu·tral·ise 'n(y)ü-trə-.līz vb, -ized also Brit -ised; -iz·ing also Brit -is·ing vt
1) to make chemically neutral
2 a) to counteract the activity or effect of: make ineffective
b) to counteract the refractive power of (a lens) by combining it with one or more other lenses
3) to make electrically inert by combining equal positive and negative quantities vi to undergo neutralization
neu·tral·iz·er also Brit neu·tral·is·er n
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neu·tral·ize (nooґtrəl-īz) to render neutral.Medical dictionary. 2011.