textual matter that is added onto a publication; usually at the end

[ Syn: addendum , postscript ]

a quantity added (e.g. to make up for a deficiency)

[ Syn: supplementation ]

a supplementary component that improves capability

[ Syn: accessory , appurtenance , add-on ]

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

[ Syn: append , add on , affix ]