| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 改良種 | かいりょうしゅ | (n) improved strain / improved breed |
| kairyou tane | kairyoushu |
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| 改良主義 | かいりょうしゅぎ | reformism |
| kairyou shugi | kairyoushugi |
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| 改良点 | かいりょうてん | point(s) for improvement |
| kairyouten | kairyouten |
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| 回流 | かいりゅう | (n) circulation |
| kai ryuu | kairyuu |
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| 海流 | かいりゅう | (n) ocean current |
| kairyuu | kairyuu |
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| 開立 | かいりゅう | extraction of cubic root |
| kai ritsu | kairyuu |
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| 海流瓶 | かいりゅうびん | (n) drift bottle |
| kairyuu kame | kairyuubin |
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| 海砂 | かいさ | sea sand (sand collected from the ocean floor, as opposed to that which is used as an ingredient in concrete) |
| umi suna | kaisa |
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| 階差 | かいさ | (n) difference |
| kai sa | kaisa |
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| 快哉 | かいさい | (n) joy / exultation |
| kaisai | kaisai |
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| 皆済 | かいさい | (n) settlement |
| mina sumi | kaisai |
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| 開催 | かいさい | holding a meeting / open an exhibition |
| kaisai | kaisai |
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| 開催日 | かいさいび | (n) date(s) (e.g. for exhibition) |
| kaisaibi | kaisaibi |
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| 開催地 | かいさいち | (n) place where a meeting (conference, etc.) is held |
| kaisaichi | kaisaichi |
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| 開催中 | かいさいちゅう | in session |
| kaisaichuu | kaisaichuu |
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| 開催国 | かいさいこく | (n) host country (e.g. for a conference) |
| kaisaikoku | kaisaikoku |
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| 開催式 | かいさいしき | opening ceremony (of an event, show, etc.) |
| kaisai shiki | kaisaishiki |
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| 快哉を叫ぶ | かいさいをさけぶ | (exp) to shout with exultation / to shout for joy |
| kaisai wo sakebu | kaisaiwosakebu |
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| 開先 | かいさき | groove (8) |
| kai saki | kaisaki |
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| 開先加工機 | かいさきかこうき | bevering machine (18) |
| kai saki kakou ki | kaisakikakouki |
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| 開削 | かいさく | open cut |
| kai saku | kaisaku |
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| 快作 | かいさく | (n) splendid work / masterpiece |
| kai saku | kaisaku |
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| 改作 | かいさく | (n) adaptation (of story) |
| kaisaku | kaisaku |
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| 開削 | かいさく | (n) excavation / cutting / digging |
| kai saku | kaisaku |
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| 開鑿 | かいさく | (oK) (n) excavation / cutting / digging |
| kai saku | kaisaku |
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| 快削鋼 | かいさくこう | (n) free-cutting steel |
| kai saku kou | kaisakukou |
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| 快削材料 | かいさくざいりょう | free machining material (18) |
| kai saku zairyou | kaisakuzairyou |
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| 反様 | かいさま | upside down / inside out |
| han sama | kaisama |
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| 解散 | かいさん | dissolution (of a company) |
| kaisan | kaisan |
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| 解散 | かいさん | breakup / dissolution |
| kaisan | kaisan |
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| 海産 | かいさん | (n) marine production |
| kaisan | kaisan |
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| 開傘 | かいさん | opening of a parachute |
| kai kasa | kaisan |
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| 開山 | かいさん | (n) founding a temple (on a hill-top) |
| kai yama | kaisan |
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| 海産物 | かいさんぶつ | (n) marine products |
| kaisanbutsu | kaisanbutsu |
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| 海産業 | かいさんぎょう | marine industries / maritime industry |
| kaisan gyou | kaisangyou |
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| 解散権 | かいさんけん | (n) right to dissolve (e.g. the Diet) |
| kaisanken | kaisanken |
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| 解散説 | かいさんせつ | rumor of dissolution |
| kaisansetsu | kaisansetsu |
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| 下位参照 | かいさんしょう | subordinate reference |
| kai sanshou | kaisanshou |
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| カイサリア | (p) Kaisaria |
| kaisaria |
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| 買い支え | かいささえ | (n) buying support |
| kai sasae | kaisasae |
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