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Definition of nonbiodegradable adjective from the Oxford Advanced American Dictionary

 

nonbiodegradable

 adjective
adjective
NAmE//ˌnɑnˌbaɪoʊdɪˈɡreɪdəbl//
 
 
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a substance or chemical that is nonbiodegradable cannot be changed to a harmless natural state by the action of bacteria, and may therefore damage the environment opposite biodegradable