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Kyōiku Kanji

研 — to research / to polish

Grade 3けん, と

研 (readings: けん, と; Japanese kanji) means “to research / to polish”. It is a Grade 3 Kyōiku kanji, taught in year 3 of Japanese elementary school, and appears in words such as 研究 (research).

What does 研 mean?

Kanji
Meaningto research / to polish
Readingsけん, と
GradeGrade 3 (Medium)
CurriculumKyōiku kanji · Japanese elementary school

How to read 研

研 is read けん or depending on the word.

Example words with 研

Example研究 (research)
Practice writing 研 — free
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Updated: 2026-07-14