[suhp-luh-men-tey-shuh n, -muh n-]


the act or process of supplementing.
the state of being supplemented.
something that supplements.

Nearby words

  1. supplementally,
  2. supplementary,
  3. supplementary angle,
  4. supplementary angles,
  5. supplementary story,
  6. suppletion,
  7. suppletive,
  8. suppletory,
  9. supplex,
  10. suppliance

Origin of supplementation

First recorded in 1850–55; supplement + -ation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for supplementation