neutralize
/ˈnjuːtrəlaɪz/(亦作-ise)
verb
with obj.
1- render (something) ineffective or harmless by applying an opposite force or effect使无效; 抵消：
impatience at his frailty began to neutralize her fear.
对他的脆弱的焦躁开始让她不那么害怕了。
1.1
- make (an acidic or alkaline substance) chemically neutral使（酸性或碱性物质）中和。
1.2
- disarm (a bomb or similar weapon)取出（炸弹等）的引信。
1.3
- a euphemistic way of saying kill or destroy, especially in a covert or military operation〈婉〉（尤指在秘密或军事行动中）消除威胁; 杀死; 摧毁。
派生词
neutralization
nounneutralizer
noun词源
mid 17th cent.: from French neutraliser, from medieval Latin neutralizare, from Latin neutralis （see NEUTRAL）.