| Subject | English | Japanese |
| phys. | almost-complex manifold | 概複素多様体 (がいふくそ・たようたい) |
| gen. | n building of a Shinto shrine complex built upon the highest ground | 上宮 |
| gen. | n building of a Shinto shrine complex built upon the lowest ground | 下宮 |
| el. | complex admittance | 複素アドミタンス (fukuso-adomitansu) |
| el. | complex admittance | アドミタンス (adomitansu) |
| gen. | complex airplane | 複雑な飛行機 |
| el. | complex alternating power | 複素電力 |
| el. | complex alternating power | 交流電力 (こうりゅう・でんりょく) |
| el. | complex alternating power | 複素交流電力 |
| math. | complex amplitude | 振幅位相ベクトル |
| gen. | complex amplitude | 複素振幅 (ふくそ・しんぷく) |
| math. | n complex analysis | 複素解析 |
| gen. | n adj-na yoji complex and multifarious | 複雑多様 |
| gen. | n adj-na yoji complex and mysterious | 複雑奇怪 (bizarre) |
| gen. | n adj-na yoji complex and subtle | 複雑微妙 (delicate) |
| gen. | n adj-na yoji complex and wide-ranging | 複雑多岐 |
| math. | complex angular frequency | 複素角振動数 |
| el. | complex apparent power | 複素皮相電力 |
| el. | complex apparent power | 複素電力 |
| gen. | complex brasses | 合成真ちゅう |
| gen. | complex build | 合築 |
| tech. | complex building | 複合建築 (ふくごう・けんちく) |
| gen. | complex carbohydrate | 複合糖質 |
| gen. | complex carbohydrate | 複合多糖 |
| gen. | complex climatology | 複合気候学 (ふくごう・きこうがく) |
| phys. | complex compliance | 複素コンプライアンス (fukuso-konpuraiansu) |
| gen. | n complex compound | 錯化合物 (saku-kagōbutsu) |
| gen. | n complex compound number | 複素数 (a + bi, fukusosū) |
| comp. | n complex condition | 複合条件 |
| gen. | complex conjugate | 複素共役 (ふくそ・きょうやく) |
| phys. | complex conjugate function | 複素共役関数 (ふくそ・きょうやく・かんすう) |
| math. | complex conjugate matrix | 複素共役行列 (ふくそ・きょうやく・ぎょうれつ) |
| phys. | complex conjugate quantity | 複素共役量 (ふくそ・きょうやくりょう) |
| comp. | n complex conjugate transpose | 共役転置 (of a matrix) |
| comp. | n complex constant | 複素定数 |
| el. | complex current reflection coefficient | 複素電流反射係数 |
| el. | complex current reflection factor | 複素電流反射係数 |
| gen. | complex displacement | 複素変位 (ふくそへんい) |
| tech. | complex distribution center | 流通団地 (りゅうつうだんち) |
| tech. | complex distribution center | 流通業務団地 (りゅうつうぎょうむだんち) |
| gen. | complex dune | 複合砂丘 |
| gen. | complex eigen-value problem | 複素固有値問題 |
| phys. | complex elastic modulus | 複素弾性率 (ふくそ・だんせいりつ) |
| comp., MS | complex event processing | 複合イベント処理 (The continuous and incremental processing of event streams from multiple sources based on declarative query and pattern specifications with near-zero latency) |
| gen. | complex exponential function | 複素指数関数 |
| gen. | n complex fraction | 繁分数 (はんぶんすう) |
| phys. | complex frequency | 複素周波数 (ふくそ・しゅうはすう) |
| gen. | complex functions | 複合機能 |
| el. | complex impedance | 複素インピーダンス (fukuso-inpīdansu) |
| el. | complex impedance | インピーダンス (inpīdansu) |
| phys. | complex index of refraction | 複素屈折率 (ふくそ・くっせつりつ) |
| comp. | n Complex Instruction Set Computer | 複雑命令セットコンピュータ |
| comp. | n complex instruction set computer | ＣＩＳＣ |
| gen. | complex inter-relationship | 防已 (as in the struggle between two types of vine over one piece of land) |
| gen. | complex inter-relationship | 葛藤 (as in the struggle between two types of vine over one piece of land, かっとう) |
| comp. | n complex interval | 複素区間 |
| tech. | complex ion | コンプレックス•イオン |
| gen. | n complex ion | 錯イオン (saku-ion) |
| phys. | complex linear space | 複素線形空間 (ふくそ・せんけい・くうかん) |
| gen. | n complex lipid | 複合脂質 |
| phys. | complex manifold | 複素多様体 (ふくそ・たようたい) |
| comp., MS | complex network | 複合ネットワーク (A type of operations network in which simultaneous operations take place or in which operations overlap, are contingent on each other, or have other complex relationships) |
| gen. | complex NP constraint | 複合名詞句制約 |
| gen. | complex NP shift | 複合名詞句転位 |
| gen. | Complex NP Shift | 複合名詞句の移動規則、 きそく |
| math. | n complex number | 虚数 (kyosū) |
| comp., MS | complex number | 複素数 (A number in the form a + bi, where a and b are real numbers and i = sqrt(-1) , so that bi is imaginary unless b = 0, fukusosū) |
| phys. | complex number | 複素数 (fukusosū) |
| gen. | n complex imaginary number | 複素数 (fukusosū) |
| phys. | complex number field | 複素数体 (fukusosū-tai) |
| comp., MS | complex object | 複合オブジェクト (An instance of a complex type that exists within an object context) |
| phys. | complex orthogonal matrix | 複素直交行列 (ふくそ・ちょっこう・ぎょうれつ) |
| el., acoust. | complex parameter | 複素パラメータ |
| magn. | complex permeability | 複素透磁率 (ふくそ・とうぢりつ) |
| phys. | complex plane | 複素数平面 (ふくそすう・へいめん) |
| gen. | complex plane | 複素平面 (fukuso-heimen) |
| gen. | complex potential | 複素ポテンシャル (fukuso-potensharu) |
| el. | complex power | 複素皮相電力 |
| el. | complex power | 複素電力 |
| radio | complex Poynting vector | 複素ポインティングベクトル |
| gen. | n obsc complex preposition | 複合前置詞 |
| gen. | complex probability | 複合確率 (fukugō-kakuritsu) |
| phys. | complex projective space | 複素射影空間 (ふくそ・しゃえい・くうかん) |
| math. | complex pulsatance | 複素角振動数 |
| phys. | complex random variable | 複素確率変数 (ふくそ・かくりつ・へんすう) |
| phys. | complex reaction | 複合反応 (ふくごう・はっんおう) |
| el. | complex reflection coefficient | 複素電圧反射系数 |
| radio | complex refractive index in a given direction | 特定角における複素屈折率 |
| gen. | complex refractive index | 複素屈折率 (ふくそ・くっせつりつ) |
| magn. | complex relative permeability | 複素比透磁率 |
| isol. | complex relative permittivity | 複素誘電率 |
| magn. | complex relative permittivity | 複素比誘電率 |
| math. | complex representation of a sinusoidal quantity | 回転位相ベクトル |
| math. | complex representation of a sinusoidal quantity | 複素表現 正弦量の |
| math. | complex representation of a sinusoidal quantity | 瞬時複素数 |
| gen. | complex response | 複素応答 |
| math. | complex RMS value | フェーザ |
| math. | complex RMS value | 複素rms値 |
| math. | complex RMS value | 位相ベクトル |
| gen. | complex salt | 錯塩 (sakuen) |
| tech. | complex salt method | 錯塩法 (さくえんほう) |
| comp. | n complex script | コンプレックス・スクリプト |
| comp., MS | complex script | コンプレックス スクリプト (A language whose characters require ligation or shaping, such as a right-to-left language (Arabic, Persian, Hebrew, and Urdu) or certain South Asian languages) |
| comp. | n complex script | コンプレックススクリプト |
| ling. | n complex sentence | 複文 |
| phys. | complex sequence | 複素数列 (ふくそ・すうれつ) |
| el., acoust. | complex sound | 複合音 (fukugōon) |
| tel. | complex sound spectrum | 複合音響スペクトル |
| phys. | complex space | 複素空間 (ふくそ・くうかん) |
| el. | complex spectrum | 複素スペクトル |
| phys. | complex sphere | 複素数球面 (ふくそすう・きゅうめん) |
| gen. | complex stress function | 複素応力関数 |
| phys. | complex structure | 複素構造 (ふくそ・こうぞう) |
| phys. | complex susceptibility | 複素感受率 (ふくそ・かんぢゅりつ) |
| gen. | complex system | 複合システム |
| el. | complex tension reflection factor | 複素電圧反射系数 |
| wind. | complex terrain | 複雑な地形 |
| comp., MS | complex transition | 複合遷移 (In a statechart or activity diagram, a relationship between multiple source and/or target states or action states) |
| comp., MS | complex type | 複合型 (A composite type that represents a non-scalar property of an entity type, which enables scalar properties to be organized within entities) |
| phys. | complex variable | 複素変数 (ふくそ・へんすう) |
| phys. | complex vector space | 複素べクトル空間 (fukuso-bekutoru-kūkan) |
| gen. | complex velocity | 複素速度 (fukuso-sokudo) |
| gen. | n complex volcano | 複合火山 |
| el. | complex voltage reflection factor | 複素電圧反射系数 |
| ling. | n compound-complex sentence | 混文 |
| phys. | conjugate complex number | 共役複素数 (きょうやく・ふくそすう) |
| tech. | cyanic complex ion | シアン錯イオン (シアンさくイオン) |
| gen. | development of complex multicellular structures from cells in a simple state | 発生 ichi1 news1 nf03 (はっせい) |
| magn. | effective complex relative permittivity | 実行複素比誘導電率 |
| math. | n field of complex numbers | 複素数体 (fukusosū-tai) |
| phys. | function of complex variable | 複素関数 (fukuso-kansū) |
| math. | instantaneous complex value | 回転位相ベクトル |
| math. | instantaneous complex value | 複素表現 正弦量の |
| math. | instantaneous complex value | 瞬時複素数 |
| phys. | integral in complex domain | 複素積分 (ふくそ・せきぶん) |
| antenn. | normalized complex wave amplitude | 正規化複素振幅 |
| radio | relative complex dielectric constant | 複素比誘電率 |
| radio | relative complex permeability | 複素比透磁率 |
| radio | relative complex permittivity | 複素比誘電率 |