|1.||[ noun ] a supplementary component that improves capability|
|Synonyms:||supplement accessory appurtenance|
|Related terms:||component cut-in auto_accessory fitting fixings computer_accessory append|
|2.||[ noun ] a component that is added to something to improve it|
"the addition of a bathroom was a major improvement" "the addition of cinammon improved the flavor"
|Related terms:||component additive attachment afterthought elongation softener annex better|