Meaning and Usage
"購入" (こうにゅう) is a formal noun and verb (when combined with する) meaning "purchase" or "to buy." It is often used in business, official contexts, or written language rather than casual conversation.
Common Contexts
You will see "購入" used when talking about buying goods, especially in formal settings like contracts, advertisements, or official documents. It can refer to anything from everyday items to expensive equipment.
Collocations and Patterns
- 購入する: to purchase (verb form)
- 購入価格: purchase price
- 購入手続き: purchase procedure
- 大量購入: bulk purchase
These collocations are useful for discussing buying processes, costs, and quantities.
Register and Nuance
"購入" sounds more formal and businesslike compared to casual verbs like "買う." Use it in polite or written contexts. For casual speech, "買う" is more common.
Common Mistake
Learners sometimes confuse "購入" with "買う." Remember that "購入" is more formal and often used in written or official contexts, while "買う" is everyday spoken language.