Food chain

noun

Definitions

Noun
  1. 1
    The feeding relationships between species in a biotic community.

    "Nanomaterials, substances broken down by technology into molecule-size particles, are starting to enter the food chain through well-known food products and their packaging, but there is little acknowledgment by the companies using them, according to a new report from a nonprofit group that works to enhance corporate accountability."

  2. 2
    (ecology) a community of organisms where each member is eaten in turn by another member wordnet
  3. 3
    A hierarchy. idiomatic

    "With my promotion this month I will continue my steady journey to the top of the food chain."

Etymology

From food + chain.

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