Noun
-
a supplementary component that improves capability
- add on -
a quantity added (e.g. to make up for a deficiency)
-
textual matter that is added onto a publication
usually at the end
Verb
-
add to the very end
"He appended a glossary to his novel where he used an invented language"
- add on -
serve as a supplement to
"Vitamins supplemented his meager diet"
-
add as a supplement to what seems insufficient
"supplement your diet"