Meaning of supplement

Definition of supplement

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

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