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common

カイ/KAI/    ひら.く/hira.ku/    ひら.き/hira.ki/    -びら.き/-bira.ki/    ひら.ける/hira.keru/    あ.く/a.ku/    あ.ける/a.keru/KAI/カイ/    hira.ku/ひら.く/    hira.ki/ひら.き/    -bira.ki/-びら.き/    hira.keru/ひら.ける/    a.ku/あ.く/    a.keru/あ.ける/

open;  unfold;  unseal

Radical: 門 (gate).   Strokes: 12画.   Elements: 一門廾.   Variants: 門.   Pinyin: kāi.   Hangul: 개 [gae].   Nanori: はる / か / ひらきharu / ka / hiraki.

Jōyō Kanji 3rd Grade.   JLPT N4.

Example compounds:
カイKAI開明【かいめいkaimei】civilization; civilisation; enlightenment
未開拓【みかいたくmikaitaku】undeveloped; wild (areas)
開眼【かいがんkaigan】enlightenment; spiritual awakening; opening one's eyes to the truth
ひらくhiraku見開く【みひらくmihiraku】to open one's eyes
開く【ひらくhiraku】to open (e.g. a bank-account, festival, etc.); to spread out; to hold
言い開く【いいひらくiihiraku】to justify; to explain; to vindicate
ひらきhiraki御開き【おひらきohiraki】breakup (of a ceremony, wedding, party, meeting, etc.); closure
切り開き【きりひらきkirihiraki】clearing (land); excavating
見開き【みひらきmihiraki】two pages opposite each other
ひらけるhirakeru開ける【ひらけるhirakeru】to become opened up; to develop; to be enlightened
運が開ける【うんがひらけるungahirakeru】to be in luck's way; to have one's fortune changes to the better
あくaku開く【あくaku】to open (e.g. doors); to open (e.g. business, etc.); to be empty; to be vacant; to be open (e.g. neckline, etc.); to have been opened (of one's eyes, mouth, etc.); to come to an end; to open (one's eyes, mouth, etc.); to have a hole
穴が開く【あながあくanagāku】to have a hole; to be pierced (with a hole)
時間が開く【じかんがあくjikangāku】to have time free; to have time to spare
あけるakeru開ける【あけるakeru】to open (a door, etc.); to open (for business, etc.); to empty; to dawn; to end
押し開ける【おしあけるoshiakeru】to force open; to push open
捩開ける【ねじあけるnejiakeru】to wrench open
Codepoints and classification codes:
958b–Unicode
19-11–JIS X 0208
3-8-4–SKIP
8e4.6–TKD
7744.1–Four Corner
3855–De Roo
Dictionary indices:
4950–Classic Nelson
6393–The New Nelson Character Dictionary by A. Nelson
3321–New Japanese-English Character Dictionary by J. Halpern
2092–Kanji Learner's Dictionary by J. Halpern
1622–Remembering the Kanji by J. Heisig
80–A New Dictionary of Kanji Usage (Gakken)
1821–Japanese Names by P.G. O'Neill
550–Essential Kanji by P.G. O'Neill
41233–Daikanwajiten 「大漢和辞典」 by T. Morohashi vol. 11 p. 711
241–A Guide to Remembering Japanese Characters by K.G. Henshall
396–Kanji & Kana by Spahn and Hadamitzky
171–Guide to Reading & Writing Japanese (H) by F. Sakade
270–Kanji Flashcards by M. Hodges and T. Okazaki
261–Guide to Reading & Writing Japanese: Third Edition 3rd edition by Henshall
391–Tuttle Kanji Cards by A. Kask
290–The Kanji Way to Japanese Language Power by D. Crowley
215–Kanji in Context by Nishiguchi and Kono
2.13–Japanese for Busy People by the AJLT
1840–Kodansha Compact Kanji Guide
1636–Y. Maniette's French adaptation of Heisig
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