biodegrade - definition and synonyms

verb [intransitive] 

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/ˌbaɪəʊdɪˈɡreɪd/
present tense
I/you/we/theybiodegrade
he/she/itbiodegrades
present participlebiodegrading
past tensebiodegraded
past participlebiodegraded
  1. if a substance biodegrades, bacteria cause it to separate into very small parts so that it is not harmful to the environment