| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 二次汚染 | にじおせん | secondary pollution (3) |
| niji osen | nijiosen |
| |
| 二次応力 | にじおうりょく | secondary stress |
| niji ouryoku | nijiouryoku |
| |
| 二次応力 | にじおうりょく | secondary stress (7) |
| niji ouryoku | nijiouryoku |
| |
| 二次冷却系 | にじれいきゃくけい | secondary cooling system (12) |
| niji reikyaku kei | nijireikyakukei |
| |
| 躙り口 | にじりぐち | (n) small door which leads into a tea ceremony hut |
| nijiri kuchi | nijiriguchi |
| |
| 躙り寄る | にじりよる | (v5r) to sidle up to |
| nijiri yoru | nijiriyoru |
| |
| 煮汁 | にじる | (n) broth |
| nijiru | nijiru |
| |
| 二次資料 | にじしりょう | secondary source |
| niji shiryou | nijishiryou |
| |
| 二次損失 | にじそんしつ | secondary loss (9) |
| niji sonshitsu | nijisonshitsu |
| |
| 二十世紀 | にじっせいき | twentieth century |
| nijusseiki | nijisseiki |
| |
| 二次推進系 | にじすいしんけい | secondary propulsion (5) / reaction control system (RCS) (5) |
| niji suishin kei | nijisuishinkei |
| |
| 二次体 | にじたい | (n) quadratic field (math.) |
| niji karada | nijitai |
| |
| 二次的 | にじてき | (adj-na) secondary |
| nijiteki | nijiteki |
| |
| 2次的特性 | にじてきとくせい | secondary characteristic features |
| 2 tsugi teki tokusei | nijitekitokusei |
| |
| ニジツァ | (p) Nidzica |
| nijitsua |
| |
| 廿軒家 | にじつけんや | Nijitsuken'ya |
| nijuu ken ie | nijitsukenya |
| |
| 廿軒家 | にじつけんや | Nijitsuken'ya (p) |
| nijuu ken ie | nijitsukenya |
| |
| 二女 | にじょ | (n) second daughter |
| ni onna | nijo |
| |
| 二乗 | にじょう | squaring / multiplying (a number) by itself / second power |
| nijou | nijou |
| |
| 二條昭実 | にじょうあきざね | Nijou Akizane (h) |
| nijou akira mi | nijouakizane |
| |
| 二条城 | にじょうじょう | Nijoujou (p) (castle in Kyoto) |
| nijou shiro | nijoujou |
| |
| 二畳紀 | にじょうき | Permian period / the Permian |
| ni tatami ki | nijouki |
| |
| 二乗機能 | にじょうきのう | square function |
| nijou kinou | nijoukinou |
| |
| 二乗根 | にじょうこん | (n) square root |
| nijou ne | nijoukon |
| |
| 二倏道平 | にじょうみちひら | Nijou Michihira (h) |
| ni shuku michi taira | nijoumichihira |
| |
| 二倏持基 | にじょうもちもと | Nijou Mochimoto (h) |
| ni shuku ji moto | nijoumochimoto |
| |
| 二条讃岐 | にじょうさぬき | Nijou Sanuki / Poet of the Heian period, included in the Ogura Hyakunin Isshu (h) |
| nijou sanuki | nijousanuki |
| |
| 二条照実 | にじょうてるざね | Nijou Teruzane (h) |
| nijou shou mi | nijouteruzane |
| |
| 二条良基 | にじょうよしもと | Nijou Yoshimoto (1320-1388) (h) |
| nijou ryou moto | nijouyoshimoto |
| |
| 二倏良実 | にじょうよしざね | Nijou Yoshizane (h) |
| ni shuku ryou mi | nijouyoshizane |
| |
| に准じて | にじゅんじて | in proportion (to) |
| ni jun jite | nijunjite |
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| に準じて | にじゅんじて | in proportion (to) |
| ni junji te | nijunjite |
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| 二十 | にじゅう | (n) twenty |
| nijuu | nijuu |
| |
| 二重 | にじゅう | (n) double / two-fold / two layers |
| nijuu | nijuu |
| |
| 二重リング | にじゅうリング | dual ring |
| nijuu ringu | nijuu ringu |
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| 二重顎 | にじゅうあご | (n) double chin |
| nijuu ago | nijuuago |
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| 二重圧延機 | にじゅうあつえんき | two high mill (4) |
| nijuu atsuen ki | nijuuatsuenki |
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| 二重橋 | にじゅうばし | (n) Double Bridge at the Palace |
| nijuu hashi | nijuubashi |
| |
| 二重母音 | にじゅうぼいん | diphthong |
| nijuuboin | nijuuboin |
| |
| 二十代 | にじゅうだい | one's twenties |
| nijuudai | nijuudai |
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