1.
proofreading; correction of text
Checking written text for errors in spelling, grammar, punctuation, and formatting, and marking corrections. A standard step in the publishing and printing process.
原稿の校正をする。
To proofread a manuscript.
校正で誤字を見つけた。
I found a typo during proofreading.
出版の前に何度も校正を重ねる必要がある。
It's necessary to go through multiple rounds of proofreading before publication.
2.
calibration; adjustment of instruments
Adjusting and verifying the accuracy of measuring instruments or equipment against a known standard.
計器の校正を行う。
To calibrate an instrument.
年に一度、機器の校正をしなければならない。
The equipment must be calibrated once a year.
正確な測定のためには定期的な校正が欠かせない。
Regular calibration is essential for accurate measurements.
Has two distinct uses: proofreading text (the more common everyday meaning) and calibrating instruments (technical). Both senses share the core idea of checking against a standard and making corrections.
COMMON COLLOCATIONS:
- 校正をする: to proofread / to calibrate
- 校正刷り: proof sheet, galley proof
- 校正を重ねる: to go through multiple rounds of proofreading
- 校正作業: proofreading work
- 校正証明書: calibration certificate
HOMOPHONES:
Several common words share the reading こうせい:
- 公正: fairness, impartiality
- 構成: composition, structure
- 更生: rehabilitation, reform
- 恒星: fixed star
ETYMOLOGY:
校 (check, compare) + 正 (correct) — "check and correct."