food chain - definition and synonyms

noun [countable] [usually singular] 

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singularfood chain
pluralfood chains
  1. 1
    biology the natural process in which one living thing is eaten by another, which is then eaten by another, etc

    Antibiotics used for treating cattle could get into the food chain.

  2. 2
    economics the series of processes in which food is grown, treated, stored, and sold
  3. 3
    humorous a series of positions in an organization, with each one more important than the one before

    I was pretty low on the corporate food chain.