| Kanji | 研 | 
|---|---|
| Onyomi | ケン | 
| Kunyomi | と.ぐ | 
| Nanori | のり | 
| English | polish, study of, sharpen | 
| Examples | 研究(けんきゅう): study; research; investigation 研修(けんしゅう): training (esp. in-service); induction course 研究室(けんきゅうしつ): (1) laboratory (2) seminar room (3) professor's office 研ぐ(とぐ): (1) to sharpen; to hone; to whet; to grind (2) to wash (rice) (3) to scour; to polish; to burnish | 
| JLPT Level | 4 | 
| Jouyou Grade | 3 | 
| Frequency | 336 | 
| Components | 石: stone 幵: put together | 
| Number of Strokes | 9 | 
| Kanji Radical | 石 | 
| Radical Number | 112 | 
| Radical Strokes | 5 | 
| Radical Reading | いし・いしへん | 
| Traditional Form | 硏 | 
| Classification | 形声 Phonetic | 
| Keyword | polish | 
| Koohii Story 1 | My stones are so huge that it takes two hands to polish them! | 
| Koohii Story 2 | You use two hands to polish a stone: one to hold it and the other to rub it. | 
| RTK Index (new) | 729 | 
Tags: jlpt.n4, grade3, kanjifreq251-500, kanji_human.activities_culture.art
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