Meaning and Usage
"改定" (かいてい) refers to the act of revising or modifying something, often official documents, rules, laws, or fees. It implies a formal change or update rather than a casual correction.
Common Contexts
You will frequently see "改定" used in legal, business, and administrative contexts, such as law revisions, fee adjustments, or company policy updates. It is a noun and often appears with verbs like "する" (to do) or "される" (to be done).
Collocations and Patterns
- "料金の改定" (revision of fees): used when prices or charges are changed.
- "法律の改定" (revision of laws): used in legal contexts.
- "規則の改定" (revision of rules): used for company or organizational rules.
Register and Nuance
"改定" is a formal term, suitable for official or business settings. It is not used for casual or minor changes.
Common Mistakes
Learners sometimes confuse "改定" with "改正" (かいせい), which also means revision but is more often used specifically for laws and regulations. "改定" is broader and often used for fees and policies as well.