12 strokes
Jouyou kanji
Taught in 7th grade
JLPT exam level N1
sphere, circle, radius, range
Kun'yomi
かこ い
On'yomi
ケ ン sphere ②category
Character Breakdown
sphere, circle, radius
ケン かこ.い (7th, N1)
References
| Unicode hex code | 570F |
| JIS X 0208 | 1-23-87 |
| Nelson, A. Classic Nelson | 1045 |
| Haig, J. New Nelson Japanese-English Character Dictionary | 960 |
| Halpern, J. New Japanese-English Character Dictionary | 3148 |
| Halpern, J. Kodansha Kanji Dictionary | 3904 |
| Halpern, J. Kanji Learners Dictionary (Kodansha) | 2012 |
| Halpern, J. Kanji Learners Dictionary (Kodansha), 2nd edition (2013) | 2714 |
| Heisig, J. Remembering The Kanji | 1208 |
| Heisig, J. Remembering The Kanji, Sixth Ed. | 1293 |
| Gakken A New Dictionary of Kanji Usage | 1402 |
| O'Neill, P.G. Essential Kanji | 1160 |
| Morohashi Daikanwajiten | 4815P |
| Henshall, K. A Guide To Remembering Japanese Characters | 1216 |
| Spahn and Hadamitzky Kanji and Kana | 508 |
| Spahn and Hadamitzky Kanji and Kana (2011 edition) | 517 |
| Hodges & Okazaki Japanese Kanji Flashcards | 1147 |
| Kask, A. Tuttle Kanji Cards | 1511 |
| Nishiguchi & Kono Kanji in Context | 1251 |
| Kodansha Kodansha Compact Kanji Guide | 345 |
| Maniette, Y. Les Kanjis dans la tete | 1216 |
| Tuttle Dictionary Descriptor Code | 3s9.1 |
| Four corner code | 6071.7 |
| De Roo Code | 1056 |