Definition of raw material noun from the Oxford Advanced American Dictionary

     

    raw material

     noun
    noun
     
    [countable, uncountable]
     
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  1. 1a basic material that is used to make a product We have had problems with the supply of raw materials to the factory. These trees provide the raw material for high-quality paper.
  2. 2(figurative) The writer uses her childhood as raw material for this novel.
See the Oxford Advanced Learner's Dictionary entry: raw material