We found 7 dictionaries that define the word supplementations:

General (4 matching dictionaries)

1. supplementations: Merriam-Webster
2. supplementations: Collins English Dictionary
3. supplementations: Wiktionary
4. supplementations: TheFreeDictionary.com

Business (1 matching dictionary)

5. supplementations: Legal dictionary

Computing (1 matching dictionary)

6. supplementations: Encyclopedia

Medicine (1 matching dictionary)

7. supplementations: Merriam-Webster Medical Dictionary

(Note: See supplementation as well.)

Definitions from Wiktionary (supplementation) ▸ noun:  The act of supplementing ▸ noun:  Something added as a supplement ▸ Also see supplementation Opposite: subtractions, deductions, reductions ▸ Words similar to supplementations ▸ Usage examples for supplementations ▸ Idioms related to supplementations ▸ Wikipedia articles (New!) ▸ Popular adjectives describing supplementations ▸ Words that often appear near supplementations ▸ Rhymes of supplementations ▸ Invented words related to supplementations