| Kanji 漢字 / Romaji 音韻 | Kana / Hiragana / Phonetic | Definition |
| 積算計 | せきさんけい | integrating meter (13) |
| sekisan kei | sekisankei |
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| 積算計器 | せきさんけいき | integrating instrument (13) |
| sekisan keiki | sekisankeiki |
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| 積算器 | せきさんき | integrator (13) |
| sekisan utsuwa | sekisanki |
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| 赤誠 | せきせい | (n) sincerity |
| aka makoto | sekisei |
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| 脊黄青鸚哥 | せきせいいんこ | budgerigar |
| seki ki ao inko | sekiseiinko |
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| 積雪 | せきせつ | (n) fallen snow |
| sekisetsu | sekisetsu |
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| 積雪量 | せきせつりょう | snowfall |
| sekisetsuryou | sekisetsuryou |
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| 赤子 | せきし | (n) (arch) imperial children / imperial child |
| akago | sekishi |
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| 赤心 | せきしん | (n) sincerity |
| sekishin | sekishin |
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| 石質凝灰岩 | せきしつぎょうかいがん | Lithic Tuff |
| ishi shitsu gyou hai iwa | sekishitsugyoukaigan |
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| 関所 | せきしょ | (n) barrier / checking station |
| sekisho | sekisho |
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| 赤色 | せきしょく | red |
| sekishoku | sekishoku |
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| 関所破り | せきしょやぶり | (n) breaking through or sneaking past a barrier |
| sekisho yaburi | sekishoyaburi |
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| 隻手 | せきしゅ | (n) one arm / one hand |
| seki te | sekishu |
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| 赤手 | せきしゅ | (n) bare handed |
| aka te | sekishu |
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| 惜春 | せきしゅん | (n) lamenting the passing of spring |
| seki haru | sekishun |
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| 析出 | せきしゅつ | (n) separating (chem.) / eduction |
| sekishutsu | sekishutsu |
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| 析出硬化 | せきしゅつこうか | precipitation hardening (8) |
| sekishutsu kouka | sekishutsukouka |
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| 積集合 | せきしゅうごう | set intersection |
| sekishuugou | sekishuugou |
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| 積層 | せきそう | (n) laminating / lamination layer |
| sekisou | sekisou |
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| 積層板 | せきそうばん | laminated plate (7) |
| sekisou ita | sekisouban |
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| 積層乾電池 | せきそうかんでんち | layered dry cell (battery) |
| sekisou kandenchi | sekisoukandenchi |
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| 積層欠陥 | せきそうけっかん | stacking fault (8) |
| sekisou kekkan | sekisoukekkan |
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| 積層構造 | せきそうこうぞう | laminated construction (7) |
| sekisou kouzou | sekisoukouzou |
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| 積層プレス成形機 | せきそうぷれすせいけいき | laminating press (4) |
| sekisou puresu seikei ki | sekisoupuresuseikeiki |
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| 積層材料 | せきそうざいりょう | laminate (8) |
| sekisou zairyou | sekisouzairyou |
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| 尺寸 | せきすん | (n) (something) tiny / trifle |
| shaku sun | sekisun |
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| 石炭 | せきたん | coal (10) |
| sekitan | sekitan |
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| 石炭 | せきたん | (n) coal |
| sekitan | sekitan |
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| 石炭殻 | せきたんがら | (n) coal cinders |
| sekitan kara | sekitangara |
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| 石炭ガス化 | せきたんがすか | coal gasification (10) |
| sekitan gasu ka | sekitangasuka |
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| 石炭ガス化複合発電 | せきたんがすかふくごうはつでん | integrated coal gasification combined cycle (IGCCICGCC) (12) |
| sekitan gasu ka fukugou hatsuden | sekitangasukafukugouhatsuden |
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| 石炭ガス化複合サイクル | せきたんがすかふくごうさいくる | integrated coal gasification combined cycle (12) |
| sekitan gasu ka fukugou saikuru | sekitangasukafukugousaikuru |
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| 石炭紀 | せきたんき | Carboniferous period |
| sekitan ki | sekitanki |
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| 石炭紀 | せきたんき | (n) the Carboniferous Period |
| sekitan ki | sekitanki |
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| 石炭・水混合燃料 | せきたんみずこんごうねんりょう | coal-water mixture (slurry) (10) |
| sekitan . mizu kongou nenryou | sekitanmizukongounenryou |
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| 石炭の層 | せきたんのそう | coal seam / coal bed |
| sekitan no sou | sekitannosou |
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| 石炭酸 | せきたんさん | (n) phenol / carbolic acid |
| sekitan san | sekitansan |
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| 石炭層 | せきたんそう | Coal seam |
| sekitan sou | sekitansou |
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| 石炭層 | せきたんそう | a coal bed |
| sekitan sou | sekitansou |
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