| 硏 | [硏] Meaning: grind On-yomi: ケン, ken Kun-yomi: とぐ, みがく, togu, migaku Radical: 石, Decomposition: ⿰ 石 幵 Variants: 研 |
| 研 | [研] Meaning: polish; study of; sharpen On-yomi: ケン, ken Kun-yomi: と.ぐ, to.gu Radical: 石, Decomposition: ⿰ 石 开 Variants: 硏, Rank: 336 |