supplementation
supp·le·men·tation
noun
1.
a quantity added (e.g. to make up for a deficiency)
2.
the act of supplementing
Origin
From supplement + -ation.
Related words
Word family
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.