校 正(こうせい)

こうせい

noun

proofreading; calibration

formalwork

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(げんこう)の校正(こうせい)をする。

To proofread a manuscript.

校正(こうせい)で誤字(ごじ)を見(み)つけた。

I found a typo during proofreading.

出版(しゅっぱん)の前(まえ)に何度(なんど)も校正(こうせい)を重(かさ)ねる必要(ひつよう)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(けいき)の校正(こうせい)を行(おこな)う。

To calibrate an instrument.

年(ねん)に一度(いちど)、機器(きき)の校正(こうせい)をしなければならない。

The equipment must be calibrated once a year.

正確(せいかく)な測定(そくてい)のためには定期的(ていきてき)な校正(こうせい)が欠(か)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(こうせい)をする: to proofread / to calibrate
校正(こうせい)刷(ず)り: proof sheet, galley proof
校正(こうせい)を重(かさ)ねる: to go through multiple rounds of proofreading
校正(こうせい)作業(さぎょう): proofreading work
校正(こうせい)証明書(しょうめいしょ): calibration certificate

Watch out

Several common words share the reading こうせい:

公正(こうせい): fairness, impartiality
構成(こうせい): composition, structure
更生(こうせい): rehabilitation, reform
恒星(こうせい): fixed star

Etymology

校(こう) (check, compare) + 正(せい) (correct) — "check and correct."

Related Words

Related: 添削(てんさく) (correction, editing (of writing))

Related: 校閲(こうえつ) (proofreading)

Compare: 訂正(ていせい) (correction)

Related: 正誤表(せいごひょう) (errata)

Compare: 編集(へんしゅう)する (to edit)

general

Added 2026.4.1 2:11 · Revised 2026.9.2 13:02

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