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What does the kanji 研 mean?

研 means sharpen, polish; research. On'yomi ケン. Kun'yomi と.ぐ.

Quick facts
On'yomiケン
Kun'yomiと.ぐ
Strokes9
Main radical石
Level (estimated, JLPT framework)N4
On'yomi ケンKun'yomi と.ぐ
N4 · estimated, JLPT framework9 strokes

sharpen, polish; research

Memory hook

Beside the stone (石) you grind again and again until both faces are flat — SHARPEN, RESEARCH.

Main radical

石stone 5 strokes

Built from

Stroke order · 9 strokes

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9

Common words

  • 研ぐとぐto sharpen, to polish; to wash (rice)
  • 研究室けんきゅうしつresearch lab, professor's office

More words with this kanji

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Data sources and licences

English meanings, On/Kun readings, stroke counts: KANJIDIC2 — Electronic Dictionary Research and Development Group (EDRDG), licensed CC BY-SA 4.0. Components: KRADFILE (EDRDG). Stroke order: KanjiVG (Ulrich Apel), licensed CC BY-SA 3.0. Mnemonics written by GoMe.

Voice: VOICEVOX Nemo.

N5–N1 levels on this page are estimates based on the JLPT framework, drawn from community benchmarks. GoMe Nihongo is not affiliated with the Japan Foundation or JEES, which administer the JLPT.