English

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Etymology

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From supplement +‎ -al.

Adjective

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supplemental (comparative more supplemental, superlative most supplemental)

  1. Acting to supplement.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page viii:
      The supplementary bibliography (in Vol. VI) attests to the comprehensiveness of the effort.
  2. Appending.
  3. Lacking a regular schedule (as in a supplemental airline).

Derived terms

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Translations

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Noun

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supplemental (plural supplementals)

  1. Something that supplements or adds to.
  2. A requisition or article of legislation that provides additional funding for a program.

Translations

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