Learner's definition of EROSION
[noncount]
: the gradual destruction of something by natural forces (such as water, wind, or ice) : the process by which something is eroded or worn away侵蚀；腐蚀；风化 —
often used figuratively常用作比喻 -
the erosion of moral standards对道德标准的侵蚀
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an erosion of support for the new law对新法支持的削弱
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Many companies fear further erosion of liberal trade policies.很多公司担心自由贸易政策会进一步受到侵蚀。
— erosional
/ɪˈroʊʒənl̟/ adjective, technical — erosive
/ɪˈroʊsɪv/ adjective, technical [more erosive; most erosive]