noun, noun or participle which takes 'suru', transitive verb, noun which may take the genitive case particle 'no'
addition; annexation; appendage
Refers to adding something extra to an existing thing, often in formal, technical, or abstract contexts. Commonly used as a noun, with する, or as a の-adjective.
契約に新しい条項を付加する。
We add a new clause to the contract.
このソフトには付加機能がいくつかある。
This software has several additional functions.