supplementation

Definitions of supplementation
  1. noun
    the act of supplementing
    synonyms: subjoining, subjunction
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    type of:
    expanding upon, expansion
    adding information or detail
  2. noun
    a quantity added (e.g. to make up for a deficiency)
    synonyms: supplement
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    type of:
    increase, increment
    the amount by which something increases
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