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compostable

adjective
 
 
/kɒmˈpɒs.tə.bəl/ US  /kɑːmˈpoʊst.ə-/

Definition

Something that is compostable can be used as compost when it decays: compostable garden wasteEnvironmental issuesRubbish and wasteProtection and protectorsDecaying and staying fresh
(Definition of compostable adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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