| Subject | English | Japanese |
| comp. | n adding operator | 加減作用素 |
| comp. | n adding operator | 加減演算子 |
| comp., MS | addition operator | 加算演算子 (The + character, used to indicate addition or a positive number) |
| phys. | additive operator | 加法的作用素 (kahōteki-sayōso) |
| comp. | n algebraic operator | 代数演算子 |
| phys. | angular momentum operator | 角運動量演算子 (かくうんどうりょう・えんざんし) |
| phys. | annihilation operator | 消滅演算子 (しょうめつ・えんざんし) |
| comp. | n arithmetic operator | 算術作用素 |
| phys. | arithmetic operator | 貪術演算子 (さんぢゅつ・えんざんし) |
| comp. | n arithmetic operator | 算術演算子 |
| comp. | n assignment operator | 代入演算子 |
| comp., MS | Backup Operators group | Backup Operators グループ (A type of local or global group that contains the user rights you need to back up and restore files and folders. Members of the Backup Operators group can back up and restore files and folders regardless of ownership, permissions, encryption, or auditing settings) |
| phys. | bilinear operator | 双一次作用素 (そういちぢ・さようそ) |
| comp., MS | binary operator | 2 項演算子 (An operator involved in a binary operation; one of + - / % & | ^ == != ><>= <=) |
| comp. | n binary operator | 二項演算子 |
| comp., MS | binary operator (An operator involved in a binary operation | 2 項演算子 |
| tech. | blind operator | ブラインド•オペレーター |
| comp., MS | Boolean operator | ブール演算子 (An operator designed to work with Boolean values. The four most common Boolean operators in programming use are AND (logical conjunction), OR (logical inclusion), XOR (exclusive OR), and NOT (logical negation)) |
| phys. | bounded linear operator | 有界線形作用素 (ゆうかい・せんけい・さようそ) |
| phys. | bounded operator | 有界作用素 (ゆうかい・さようそ) |
| gen. | business operator | 事業主 (じきょうぬし) |
| gen. | business operator | 事業者 (じぎょうしゃ) |
| comp. | n cable operator | ケーブル・オペレータ |
| comp. | n cable operator | ケーブルオペレータ |
| radio | camera operator | カメラマン |
| phys. | closed operator | 閉作用素 (へい・さようそ) |
| phys. | commutating operator | 交換演算子 (こうかん・えんざんし) |
| comp., MS | comparison operator | 比較演算子 (A character or symbol that indicates a relationship between two or more values or expressions - for example, < (less than), > (greater than), and = (equal to)) |
| comp. | n complement operator | 補数演算子 |
| phys. | completely continuous operator | 完全連続作用素 (かんぜん・れんぞく・さようそ) |
| comp. | n concatenation operator | 連結演算子 |
| gen. | n conditional operator | 三項演算子 |
| phys. | conjugate operator | 共役作用素 (きょうやく・さようそ) |
| phys. | continuous operator | 連続作用素 (れんぞく・さようそ) |
| phys. | creation operator | 生成演算子 (せいせい・えんざんし) |
| phys. | d'Alembert's operator | ダランべ一ル演算子 (Daranbēru-enzanshi) |
| gen. | dam operator | ダム管理者 |
| phys. | decimal operator | 10進演算子 (ぢゅっしん・えんざんし) |
| comp. | n decimal operator | 十進演算子 |
| comp. | n decimal operator | １０進演算子 |
| comp., MS | decrement operator | デクリメント演算子 (An operator that subtracts 1 from its operand depending on the position of the operator) |
| phys. | density operator | 密度演算子 (みつど・えんざんし) |
| phys. | difference operator | 定差作用素 (ていさ・さようそ) |
| phys. | difference operator | 差分作用素 (さぶん・さようそ) |
| phys. | differential operator | 微分作用素 (びぶん・さようそ) |
| phys. | differential operator | 微分演算子 (bibun-enzanshi) |
| gen. | discrete nabla operator | 離散化ナブラ演算子 |
| el. | distribution network operator | 配電系統運用者 |
| el. | distribution system operator | 配電系統運用者 |
| comp. | n division operator | 除算演算子 |
| phys. | elliptic operator | 楕円型作用素 (だえんがた・さようそ) |
| phys. | energy operator | エネルギー演算子 (enerugī-enzanshi) |
| comp. | n exponential operator | 冪乗演算子 (**) |
| comp. | n exponential operator | 指数演算子 |
| comp., MS | fail-safe operator | 緊急時のオペレーター (A user who receives the alert if the designated operator cannot be reached) |
| gen. | farm operator | 農場管理者 |
| phys. | Green's operator | グリーン作用素 (Gurīn-sayōso) |
| phys. | Hermitian operator | エルミート演算子 (Erumīto-enzanshi) |
| phys. | homotopy operator | ホモトピー作用素 (homotopī-sayōso) |
| comp., MS | increment operator | インクリメント演算子 (An operator that increases an integer typically by 1) |
| phys. | integral operator | 積分作用素 (せきぶん・さようそ) |
| phys. | integral operator | 積分演算子 (せきぶん・えんざんし) |
| phys. | interaction operator | 相互作用演算子 (そうご・さよう・えんざんし) |
| phys. | inverse operator | 逆作用素 (ぎゃく・さようそ) |
| comp., MS | join operator | 結合演算子 (A comparison operator in a join condition that determines how the two sides of the condition are evaluated and which rows are returned) |
| phys. | kinetic energy operator | 運動エネルギー演算子 (undō-enerugī-enzanshi) |
| comp., MS | lambda operator | ラムダ演算子 (The C => operator that is used to separate the parameters and the body of a lambda expression) |
| gen. | lambda operator | λ演算子 |
| math. | Laplacian operator | ラプラシアン |
| math. | Laplacian operator | ラプラス演算子 |
| gen. | n large-scale operators | 大手筋 (おおてすじ) |
| gen. | n lathe operator | 旋盤工 |
| phys. | linear operator | 線形作用素 (せんけい・さようそ) |
| phys. | linear operator | 線形演算子 (senkei-enzanshi) |
| phys. | linear operator | 一次演算子 (いちぢ・えんざんし) |
| comp. | n list operator | リスト演算子 |
| nucl.phys. | local operator | 別置制御盤操作員 |
| comp. | n local operator | ローカル・オペレータ |
| comp. | n local operator | ローカルオペレータ |
| gen. | logic operators | 論理定数 (and, or, not --- logic, ろんり・ていすう) |
| phys. | logical operator | 論理演算子 (ろんり・えんざんし) |
| comp., MS | logical operator | 論理演算子 (The and/or operator used when constructing a rule, ろんり・えんざんし) |
| comp., MS | main operator extension | 代表電話オペレーター内線 (The extension at which Attendant console users who are answering calls for the corporate main phone number can be reached internally) |
| gen. | n male machine operator | 男工 |
| comp. | n matching operator | マッチ演算子 |
| el. | meter operator | 計量サービス事業者 |
| el. | meter operator | ＭＳＰ |
| comp., MS | mobile operator | 携帯電話会社 (A company that provides telephone and other communications services to consumers) |
| comp., MS | mobile operator app | 通信事業者アプリ (A privileged app that enables a mobile operator to build an account experience that links their SIM to the Connection Manager under Mobile Broadband connections) |
| gen. | n mobile virtual network operator | 仮想移動体サービス事業者 |
| gen. | n mobile virtual network operator | 仮想移動体通信事業者 |
| gen. | modal operator | 様相演算子 |
| phys. | momentum operator | 運動量演算子 (うんどうりょう・えんざんし) |
| comp. | n monadic operator | 単項演算子 (たんこう・えんざんし) |
| phys. | monotone operator | 単調作用素 (たんちょう・さようそ) |
| tech. | multi-operator welding machine | 複式溶接機 (fukushiki-yōsetsuki) |
| gen. | n multiple-system operator | 統括運営会社 |
| gen. | n multi-system operator | 統括運営会社 |
| math. | nabla operator | ナブラ (nabura) |
| gen. | nabla operator | ナブラ演算子 |
| el. | network operator | 系統運用者 |
| comp. | n non-operator mode | 無人モード |
| phys. | normal operator | 正規作用素 (せいき・さようそ) |
| gen. | null operator | 空の演算子 |
| phys. | numerical operator | 数値演算子 (すうち・えんざんし) |
| phys. | one-particle operator | 一粒子演算子 (いちりゅうし・えんざんし) |
| telecom. | operator call-in signal | オペレータ割り込み信号 |
| phys. | operator homomorphism | 作用準同形 (sayō-jundōkei) |
| gen. | n operator in a telemarketing business | コミュニケータ |
| gen. | n operator in a telemarketing business | コミュニケーター |
| phys. | operator isomorphism | 作用同形 (sayō-dōkei) |
| comp., MS | operator-loaded TP | オペレーター起動のTP (An invokable transaction program (TP) that is manually loaded and started by an operator) |
| gen. | n operator method | 演算子法 (enzanshihō) |
| gen. | operator of a mine | 山下 |
| gen. | operator of a mine | 山本 |
| gen. | operator of a mine | 山元 news2 nf30 |
| gen. | n operator of multiple cable or direct-broadcast satellite television systems | 統括運営会社 |
| comp., MS | operator overloading | 演算子のオーバーロード (The assignment of more than one function to a particular operator, with the implication that the operation performed will vary depending on the data type (operands) involved. Some languages, such as Ada and C++, specifically allow for operator overloading) |
| comp., MS | operator procedure | 演算子プロシージャ (A series of Visual Basic statements that define the behavior of a standard operator (such as *, <> or And) on a class or structure you have defined. This is also called operator overloading) |
| telecom. | operator recall signal | オペレータ再呼び出し信号 |
| phys. | operator ring | 作用素環 (さようそ・かん) |
| phys. | operator ring | 演算子環 (enzanshikan) |
| nucl.phys. | operator support system | 運転員支援システム |
| gen. | n owner-operator | オーナー経営者 |
| railw., sec.sys. | panel operator | 信号掛 |
| phys. | partially isometric operator | 部分等長作用素 (ぶぶん・とうちょう・さようそ) |
| phys. | particle operator | 粒子演算子 (りゅうし・えんざんし) |
| phys. | perturbation operator | 摂動演算子 (せつどう・えんざんし) |
| phys. | phase operator | 位相演算子 (いそう・えんざんし) |
| phys. | projection operator | 射影演算子 (しゃえい・えんざんし) |
| gen. | n puppet operator | 人形遣い news2 nf38 |
| gen. | n puppet operator | 人形使い |
| gen. | n puppet operator | 人形回し |
| phys. | quantum-mechanical operator | 量子力学的演算子 (りょうし・りきがくてき・えんざんし) |
| phys. | quasi-spin operator | 準スピン演算子 (jun-supin-enzanshi) |
| gen. | n radio communication operator | 無線通信士 |
| gen. | n radio wireless operator | 無線技師 |
| comp. | n range operator | 範囲演算子 (..) |
| gen. | recording operator | 記録扱い者 |
| comp. | n relational operator | 比較演算子 |
| comp. | n relational operator | 関係演算子 |
| comp., MS | Remote Tools Operator | リモート ツール オペレーター (A security role that grants permissions to administrative users so that they can run and audit remote administration tools) |
| comp., MS | Report Operator user role | レポート オペレーター のユーザー ロール (In System Center Operations Manager 2007, the user role that grants members the rights to access and run reports. Because Virtual Machine Manager reports are created through Operations Manager, Virtual Machine Manager administrators must be a member of the Report Operator user role to view and run reports in the Virtual Machine Manager Administrator Console) |
| gen. | safety operator | 安全管理者 |
| phys. | scattering operator | 散乱演算子 (さんらん・えんざんし) |
| phys. | self-adjoint operator | 自己随伴作用素 (ぢこ・づいはん・さようそ) |
| phys. | self-adjoint operator | 自己共役演算子 (ぢこ・きょうやく・えんざんし) |
| comp., MS | Server Operators group | Server Operators グループ (A group whose members can manage all domain controllers in a single domain. This group does not exist on workstations, stand-alone servers, or member servers. Administrative tasks that can be performed by members of this group include logging on locally, creating and deleting network shared resources, starting and stopping services, backing up and restoring files, formatting the hard disk of the computer, and shutting down the computer) |
| gen. | exp smooth operator | 隅に置けない |
| phys. | spin operator | スピン演算子 (supin-enzanshi) |
| comp., MS | standard query operator | 標準クエリ演算子 (A method that constitutes a query pattern and that is implemented by a LINQ provider for a specific domain. Standard query operators are defined in the System.Linq.Enumerable class) |
| phys. | statistical operator | 統計的演算子 (とうけいてき・えんざんし) |
| phys. | statistical operator | 統計演算子 (とうけい・えんざんし) |
| comp. | n substitution operator | 代入演算子 |
| inf. | switchboard operator | 交換台 |
| phys. | symmetric operator | 対称作用素 (たいしょう・さようそ) |
| phys. | symmetrical operator | 対称演算子 (たいしょう・えんざんし) |
| phys. | system of differential operators | 微分作用素系 (びぶん・さようそ・けい) |
| comp. | n system operator | システム・オペレータ (sysop) |
| abbr. | n system operator | シスオペ |
| el. | system operator | 系統運用者 |
| comp. | n system operator | システムオペレータ (sysop) |
| gen. | n telegraph operator | 電信技手 |
| gen. | n telephone operator | 電話交換手 |
| gen. | n telephone operator | 交換嬢 |
| phys. | tensor operator | テンソル演算子 (tensoru-enzanshi) |
| gen. | n ternary operator | 三項演算子 |
| phys. | time-reversal operator | 時間反転演算子 (ぢかん・はんてん・えんざんし) |
| phys. | transformation operator | 変換演算子 (へんかん・えんざんし) |
| gen. | transition operator | 遷移作用素 |
| phys. | translation operator | 移動演算子 (いどう・えんざんし) |
| el. | transmission network operator | 送電系統運用者 |
| el. | transmission system operator | 送電系統運用者 |
| gen. | transport operator | 運送業者 (うんそうぎょうしゃ) |
| comp. | n type conversion operator | 型変換演算子 |
| phys. | unary operator | 単項演算子 (たんこう・えんざんし) |
| comp., MS | unary operator | 単項演算子 (An operator that takes only one operand, for example, the increment (++) operator, たんこう・えんざんし) |
| phys. | unit operator | 単位作用素 (tan'i-sayōso) |
| phys. | unitary operator | ユニタリ作用素 (yunitari-sayōso) |
| phys. | unitary operator | ユニタリ演算子 (yunitari-enzanshi) |
| phys. | vector operator | べクトル演算子 (bekutoru-enzanshi) |
| phys. | velocity operator | 速度演算子 (そくど・えんざんし) |
| org.name. | World Association of Nuclear Operators | ＷＡＮＯ |
| gen. | n X-ray operator | レントゲン技師 |