1.
certificate; deed; diploma; written proof
An official document that serves as written evidence or proof of something, such as ownership, qualification, or completion.
卒業証書を受け取った。
I received my diploma.
借用証書にサインしてください。
Please sign the loan certificate.
保険証書は大切に保管しておく必要がある。
You need to keep your insurance certificate stored safely.
An official document that serves as written proof or evidence. Composed of 証 (proof) + 書 (document).
COMMON COMPOUNDS:
- 卒業証書: diploma, graduation certificate
- 借用証書: promissory note, loan certificate
- 保険証書: insurance policy
- 権利証書: title deed
- 贈与証書: deed of gift
CONTRAST WITH 証明書:
証明書 is used for everyday administrative certificates (住民票, proof of residence; 在学証明書, enrollment certificate). 証書 is more formal and refers to documents of greater legal weight, such as diplomas and deeds.