noun, noun or participle which takes 'suru', transitive verb
Used for official revisions of rules, prices, laws, contracts, or systems. Often implies a formal, announced change. Compare 改訂 (かいてい), which is used for revisions of books, documents, or editions.
See also: 改訂
来月から運賃が改定される。
The fare will be revised starting next month.
会社は就業規則を改定した。
The company revised its work regulations.