| Subject | English | Japanese |
| law | a class of shares | 種類の株式 |
| gen. | n Abukuma class destroyer escort | あぶくま型護衛艦 |
| gen. | n yoji actor who plays in low-class or cheap theater | 緞帳役者 |
| gen. | n Aegis-class cruiser | エイジス艦 |
| gen. | n Aegis-class cruiser | イージス艦 |
| gen. | n uk any echinoderm of the class Asteroidea | 人手 (ひとで) |
| gen. | n uk any echinoderm of the class Asteroidea | 海盤車 |
| gen. | n uk any echinoderm of the class Asteroidea | 海星 (かいせい) |
| gen. | n uk any horsehair worm of class Gordioidea | 針金虫 |
| gen. | n Asagiri class destroyer | あさぎり型護衛艦 |
| gen. | n Atago class destroyer | あたご型護衛艦 |
| comp., MS | base class library | 基本クラス ライブラリ (A library that contains base classes) |
| gen. | n bell signalling that work, class, etc. has formally begun | 本鈴 |
| gen. | n bell signalling that work, class, etc. will formally begin shortly | 予鈴 |
| gen. | between class variation | 級間変動 |
| radio | class A of an amplifying stage | A級 増幅段 |
| gen. | n adj-no class-A | Ａ級 |
| comp., MS | Class A IP address | クラス A IP アドレス (A unicast IP address that ranges from 1.0.0.1 through 127.255.255.254. The first octet indicates the network, and the last three octets indicate the host on the network. Class-based IP addressing has been superceded by Classless Interdomain Routing (CIDR)) |
| comp. | n class A IP address | クラスＡＩＰアドレス |
| vac.tub. | class A operation | A級動作 |
| construct. | class A river | —級河川 (いっきゅう・かせん) |
| gen. | n class A river | 一級河川 |
| gen. | Class A river system | 一級水系 |
| gen. | Class A rivers | 一級河川 |
| gen. | n class-A war criminal | Ａ級戦犯 |
| radio | class AB of an amplifying stage | AB級 増幅段 |
| vac.tub. | class AB operation | AB級動作 |
| gen. | n class action | クラス・アクション |
| gen. | n class action | 複雑訴訟形態 |
| gen. | n class-action | 集団訴訟 (lawsuit, しゅうだんそしょう) |
| gen. | n class action | クラスアクション |
| gen. | n class action lawsuit | 複雑訴訟形態 |
| abbr. | n class activities | 学活 |
| gen. | n class activities | 学級活動 |
| gen. | class'A'evaporation pan | クラスA蒸発皿 |
| radio | class B of an amplifying stage | B級 増幅段 |
| gen. | n adj-no class-B | Ｂ級 |
| gen. | n class-B and class-C war criminals | ＢＣ級戦犯 |
| comp., MS | Class B IP address | クラス B IP アドレス (A unicast IP address that ranges from 128.0.0.1 through 191.255.255.254. The first two octets indicate the network, and the last two octets indicate the host on the network. Class-based IP addressing has been superceded by Classless Interdomain Routing (CIDR)) |
| comp. | n class B IP address | クラスＢＩＰアドレス |
| vac.tub. | class B operation | B級動作 |
| construct. | class B river | 二級河川 (にきゅう・かせん) |
| gen. | Class B river system | 二級水系 |
| gen. | Class B rivers | 二級河川 (にきゅう・かせん) |
| gen. | class boundaries | 階級境界 |
| comp., MS | Class C IP address | クラス C IP アドレス (A unicast IP address that ranges from 192.0.0.1 to 223.255.255.254. The first three octets indicate the network, and the last octet indicates the host on the network. Network Load Balancing provides optional session support for Class C IP addresses (in addition to support for single IP addresses) to accommodate clients that make use of multiple proxy servers at the client site. Class-based IP addressing has been superceded by Classless Interdomain Routing (CIDR)) |
| comp. | n class C IP address | クラスＣＩＰアドレス |
| vac.tub. | class C operation | C級動作 |
| gen. | n school class change | クラス替え |
| gen. | n class comprising the bony fishes | 硬骨魚綱 (and sometimes their descendants, i.e. tetrapods) |
| gen. | n class comprising the extant and extinct amphibians | 両生綱 |
| gen. | n class comprising the lobe-finned fishes | 肉鰭綱 |
| comp. | n class condition | 字類条件 |
| gen. | n class consciousness | 階級意識 |
| comp., MS | class coupling | クラス結合 (The degree of coupling to unique classes through parameters, local variables, return types, method calls, generic or template instantiations, base classes, interface implementations, fields defined on external types, and attribute decoration) |
| radio | class D of an amplifier | D級 増幅段 |
| comp., MS | Class Designer | クラス デザイナー (A fully-functional, visual design environment for the Common Language Runtime) |
| comp., MS | Class Details Window | クラスの詳細情報のウィンドウ (A window in Visual Studio Class Designer that you can use to configure the members of a type. By default, the Class Details Window appears automatically when you open a new class diagram) |
| comp., MS | class diagram | クラス ダイアグラム (A visual and static representation of classes and the relationships between them) |
| gen. | n class discrimination | 階級差別 |
| gen. | n class disruption | 学級崩壊 (e.g. due to discipline problems) |
| comp. | n class factory | クラス・ファクトリ |
| comp., MS | class factory | クラス ファクトリ (An object that implements the IClassFactory interface, which enables it to create objects of a specific class) |
| comp. | n class factory | クラスファクトリ |
| comp., MS | Class Finder | コース検索 (A tool that allows partners find online and in-person educational opportunities to continue their skill development) |
| gen. | class frequency | 階級度数 |
| gen. | n n-suf class, grade, rank | 級 news1 nf05 (kyū) |
| math. | n class group | 類群 |
| tech. | class hardness | クラス硬さ (クラスかたさ) |
| comp. | n class hierarchy | クラス階層 |
| weld. | class I equipment | 保護クラスⅠ |
| comp., MS | class ID | クラス ID (A universally unique identifier (UUID) that identifies a COM component. Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications) |
| comp. | n class ID | クラスＩＤ |
| comp., MS | Class ID extension | クラス ID 拡張子 (An extended HTML element that is used to describe the class of a viewable or downloadable document. It can be misused to pass dangerous attachments; EHS allows users to block this tag) |
| comp., MS | class identifier | クラス識別子 (A universally unique identifier (UUID) that identifies a COM component. Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications) |
| weld. | class II equipment | 保護クラスⅡ |
| el., meas.inst. | class index of an energy meter | 精度指標 エネルギー計の |
| el., meas.inst. | class index | 等級指標 |
| construct. | А-class insulation | A種絶縁 (ええ・しゅ・ぜつえん) |
| gen. | class interval | 階級の幅 |
| gen. | class interval | 階級幅 |
| comp., MS | class key | クラス キー (The subset of data members of a class whose values uniquely identify an instance of the class) |
| comp., MS | class key member | クラス キー メンバー (One of the members of a multi-valued class key) |
| comp., MS | class library | クラス ライブラリ (A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built) |
| comp. | n class library | クラス・ライブラリ (as in C++) |
| comp. | n class library | クラスライブラリ (as in C++) |
| gen. | n class magazine | クラス・マガジン |
| gen. | n class magazine | クラスマガジン |
| comp. | n class mark | 分類記号 |
| comp., MS | class materials | クラス教材 (Content and resources that are made available as part of a class and that can be associated with individual lessons or assignments) |
| gen. | n class media | クラス・メディア |
| gen. | n class media | クラスメディア |
| gen. | class meeting | 種類株主総会 (しゅるいかぶぬしそうかい) |
| gen. | n class meeting | 学級会 |
| comp., MS | class member relation | クラス メンバーの関連 (An association between specific data members of the two classes in a class relation) |
| comp., MS | class meta-data | クラス メタデータ (A conceptual model that describes the attributes that must be specified to create a class in the Data Warehouse logical schema) |
| comp., MS | class module | クラス モジュール (A module that can contain the definition for a new object. Each instance of a class creates a new object. Procedures defined in the module become properties and methods of the object) |
| radio | class 1 monitor | 画像モニタ |
| comp., MS | class name | クラス名 (A predefined name used to refer to an OLE object in Visual Basic. A class name consists of the name of the application used to create the OLE object, the object's type, and, optionally, the version number of the application) |
| comp. | n class name | 字類名 |
| comp. | n class number | 分類番号 |
| telecom. | class of an exchange | 交換クラス |
| gen. | n class of annelid worms | 多毛綱 |
| gen. | n class of cnidarians | 花虫綱 |
| phys. | class of crystal | 結晶族 (kesshōzoku) |
| radio | class of emission | 発射クラス |
| gen. | n class of extinct hemichordates | フデイシ綱 |
| gen. | n class of flagellate eukaryotes closely related to animals | 襟鞭毛虫綱 |
| gen. | n class of glaucophytes | 灰色藻綱 ({n} Glaucophyceae ***b) |
| gen. | n class of gymnosperms | グネツム綱 |
| el.tract. | class of insulation | 絶縁種別 |
| gen. | class of land | 地類 |
| gen. | n class of multicellular invertebrates | 平板動物綱 |
| phys. | class of perturbation | 摂動の級 (せつどう の きゅう) |
| gen. | n class of vertebrates comprising the birds | 鳥綱 |
| gen. | n class of workers with no stable jobs | プレカリアート |
| telecom. | class-of-service tone | サービスクラストーン |
| gen. | n class party | 階級政党 |
| gen. | n class president | 学級委員長 |
| gen. | Class-2 Project | 第二種事業 |
| gen. | Class-1 Project | 第一種事業 |
| comp., MS | class provider | クラス プロバイダー (A COM server that supplies class definitions. Class providers can support data retrieval, modification, deletion, enumeration, and query processing) |
| comp., MS | class relation | クラスの関連 (A connection between two classes in a parent-child relationship. The relation defines the number of instances of each class) |
| gen. | n class representative | 学級委員 |
| gen. | n class reunion | クラス会 |
| gen. | n class reunion | 同期会 |
| gen. | n class reunion | 同窓会 ichi1 news1 nf16 (どうそうかい) |
| comp., MS | Class Schedule | クラス スケジュール (A view in which you can organize class materials into assignments and lessons) |
| comp. | n class selector | クラス・セレクタ |
| comp., MS | class selector | クラス セレクター (In cascading style sheets, a name identifying a user-defined style. Depending on how it's defined, a class selector can be used with a single type of tag or with any HTML tag inside the BODY element) |
| comp. | n class selector | クラスセレクタ |
| law | class share | 種類株式 |
| law | class shareholder | 種類株主 |
| law | class shareholder at incorporation | 設立時種類株主 |
| gen. | n class shuffle | クラス替え |
| gen. | n class size of bonsai trees | 貴風 (25-35cm) |
| gen. | n class standing | 席次 |
| gen. | n class struggle | 階級闘争 news2 nf38 (かいきゅうとうそう) |
| gen. | class switch | クラス転換 |
| comp. | n class symbol | 分類記号 |
| gen. | n class system | 身分制度 |
| abbr. | n class system | 身分制 |
| gen. | n class system | 階級制度 |
| gen. | n class system | 階級性 |
| gen. | exp n class teacher | 担任の先生 |
| abbr. | class teacher | 担任 ichi1 news1 nf10 |
| gen. | n class teacher | 担任教師 |
| gen. | class value | 階級値 |
| comp., MS | Class View | クラス ビュー (A window that displays the symbols defined, referenced, or called in the application you are developing) |
| gen. | n vs class with | 同一視 |
| gen. | n vs class work | 授業 ichi1 news1 nf03 |
| comp., MS | Commerce Server Class Library | Commerce Server クラス ライブラリ (A collection of classes, interfaces, and value types that are included in the Commerce Server .NET Application Framework. This library provides access to run-time Commerce Server functionality and is designed to be the foundation on which .NET-based Commerce Server applications, components, and controls are built) |
| law | company with class shares | 種類株式発行会社 |
| el., mech. | connector for class II equipment | クラスⅡ用コネクタ |
| gen. | n daughter of a high-class family | お嬢様 |
| gen. | n daughter of a high-class family | お嬢さま |
| gen. | n daughter of a high-class family | 御嬢様 |
| comp. | n document class description | 文書クラス記述部 |
| gen. | n dreadnought dreadnaught class of warship | 弩級 |
| gen. | n economy class syndrome | エコノミークラス症候群 (occurrence of deep vein thrombosis in air travelers) |
| gen. | n first-class article | 上等品 (じょうとうひん) |
| gen. | n first-class carriage | １等車 (coach) |
| gen. | n first-class carriage | 一等車 (coach) |
| gen. | n first-class goods | 一級品 (いっきゅうひん) |
| gen. | first class grade chemicals | 一級試薬 |
| gen. | n first-class hotel | 一流ホテル |
| gen. | n first-class inn | 上宿 |
| gen. | n adj-no first class plus | 特上 |
| gen. | n first-class power | １等国 |
| gen. | n first-class power | 一等国 |
| gen. | n first-class rice | 上米 |
| gen. | n first-class rice | 上白 |
| gen. | n former rank in the Japanese army and navy, equiv. to private first-class, lance corporal, etc. | 兵長 |
| law | general meeting of class shareholders | 種類株主総会 (しゅるいかぶぬしそうかい) |
| comp., MS | Generic C++ Class Wizard | 汎用 C++ クラス ウィザード (A wizard that adds a C++ class to a project. This generic C++ class does not inherit from ATL or MFC) |
| gen. | n Haruna class destroyer | はるな型護衛艦 |
| gen. | n Harushio class submarine | はるしお型潜水艦 |
| gen. | n Hatsuyuki class destroyer | はつゆき型護衛艦 |
| gen. | n head class representative | 学級委員長 |
| gen. | n high-class Edo-period pleasure house | 揚げ屋 (where outside prostitutes were hired to entertained guests) |
| gen. | n high-class Edo-period pleasure house | 揚屋 (where outside prostitutes were hired to entertained guests, あがりや) |
| gen. | n high-class item | 高級品 (こうきゅうひん) |
| gen. | n high-class sake | 上酒 |
| gen. | n Ishikari class destroyer escort | いしかり型護衛艦 |
| gen. | n Kongo class destroyer | こんごう型護衛艦 |
| gen. | n yoji low-class actor | 緞帳役者 (kabuki) |
| gen. | low class brothel | 小見世 |
| gen. | low class brothel | 小店 |
| obs. | low class female servant | 端た |
| obs. | low class female servant | 端 (はした) |
| gen. | n yoji low-class kabuki theater | 緞帳芝居 |
| gen. | n low class licensed prostitute | 端女郎 (Edo period) |
| gen. | n low-class person | 下輩 |
| gen. | n yoji low-class play | 緞帳芝居 |
| gen. | low class prostitute | 怪鴟 (Edo period) |
| gen. | low class prostitute | 蚊母鳥 (Edo period) |
| pejor. | n low class prostitute | 白首 |
| obs. | low-class prostitute | 御局 (Edo period) |
| gen. | low class prostitute | 夜鷹 (Edo period) |
| gen. | n low class prostitute in Yoshiwara | 梅茶女郎 (Edo period) |
| gen. | n low class prostitute in Yoshiwara | 埋茶女郎 (Edo period) |
| gen. | n low-class prostitute who was kept in a sort of cage at the front of the establishment | 見世女郎 (Edo period) |
| gen. | n low class samurai, who guarded the shogun on outings | 中小性 (Edo period) |
| gen. | n low class samurai, who guarded the shogun on outings | 中小姓 (Edo period) |
| gen. | low class whorehouse in Fujiwara | 小見世 (Edo period) |
| gen. | low class whorehouse in Fujiwara | 小店 (Edo period) |
| gen. | n member of a class of proteins found in grains | プロラミン (puroramin) |
| comp., MS | Microsoft Foundation Class Library | Microsoft Foundation Class ライブラリ (A library of C++ classes that forms an object-oriented wrapper around large portions of the Windows API and provides a framework on which to build applications) |
| gen. | middle-class brothel | 中店 (in a red-light district) |
| gen. | n middle-class farmer | 中農 |
| obs. | middle-class person | 中人 |
| gen. | n Murasame class destroyer | むらさめ型護衛艦 |
| comp., MS | .NET Framework class library | .NET Framework クラス ライブラリ (A library of classes, interfaces, and value types that are included in .NET Framework. This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built) |
| comp. | n object class description | 対象体クラス記述部 |
| gen. | n occasional or periodic extra long registration class or assembly in a school | ロング・ホームルーム (e.g. for activities not related to class work) |
| gen. | n occasional or periodic extra long registration class or assembly in a school | ロングホームルーム (e.g. for activities not related to class work) |
| law | organizational meeting of class shareholders | 種類創立総会 |
| gen. | n Osumi class vehicle transport ship | おおすみ型輸送艦 |
| gen. | n Oyashio class submarine | おやしお型潜水艦 |
| gen. | sens place where lower class people live | 川向こう |
| gen. | n residence for low class samurai enrolled in one of the police forces | 組屋敷 (Edo period) |
| gen. | room for a very low class prostitute | 局 (きょく) |
| gen. | n n-suf school class, grade | 級 news1 nf05 (kyū) |
| gen. | n second class carriage | ２等車 |
| gen. | second-class carriage | 普通車 |
| gen. | n second class carriage | 二等車 |
| gen. | n second-class cruiser | 乙巡 |
| gen. | second class drug seller | 薬種商 |
| law | share subject to class-wide call | 全部取得条項付種類株式 |
| gen. | n Shirane class destroyer | しらね型護衛艦 |
| gen. | n special class for handicapped children | 特別支援学級 |
| abbr. | n special class for handicapped children | 特学 |
| gen. | n special class for handicapped children | 身障児学級 |
| gen. | n special class for handicapped children | 特殊学級 |
| gen. | n n-pref special quality, class or grade | 特等 news2 nf47 |
| gen. | n vs staying in the same class for two or more years | 留年 ichi1 news2 nf27 |
| gen. | n-suf suffixed to words indicating a class of people to create a plural | 儕 (esp. in impolite contexts) |
| gen. | n-suf suffixed to words indicating a class of people to create a plural | 原 (esp. in impolite contexts) |
| gen. | n-suf suffixed to words indicating a class of people to create a plural | 輩 (esp. in impolite contexts) |
| gen. | n Tachikaze class destroyer | たちかぜ型護衛艦 |
| gen. | n Takanami class destroyer | たかなみ型護衛艦 |
| gen. | n yoji the friendly atmosphere of the traditional commercial and working-class neighborhoods | 下町情緒 |
| gen. | n yoji the milk of human kindness of the people of the traditional commercial and working-class neighborhoods | 下町人情 |
| gen. | n item sent by third-class mail | 第三種郵便物 |
| gen. | n item sent by third-class mail | 第３種郵便物 |
| gen. | n third-class mail matter | 第三種郵便物 |
| gen. | n third-class mail matter | 第３種郵便物 |
| gen. | n third-class ticket | 赤切符 |
| gen. | to be homeroom teacher for the same class multiple years in a row | 持上る |
| gen. | to be homeroom teacher for the same class multiple years in a row | 持上がる |
| gen. | to be homeroom teacher for the same class multiple years in a row | 持ち上る |
| gen. | to be homeroom teacher for the same class multiple years in a row | 持ち上がる news2 nf31 |
| gen. | n typical dress of the military class, usually worn together with a hakama | 垂領 |
| telegr. | user class of service | ユーザサービスクラス |
| comp. | n user class of service | 利用者サービスクラス |
| gen. | value for class division | 階級区分値 |
| gen. | very low class prostitute | 局 (きょく) |
| gen. | visiting a high-class or noble individual | 参入 news1 nf04 |
| gen. | within class variation | 級内変動 |
| gen. | n working-class accent or dialect | 下町言葉 |
| gen. | n Yaeyama class minesweeper | やえやま型掃海艦 |
| gen. | young girl working as a servant for a high-class prostitute | 禿げ (Edo period) |
| gen. | young girl working as a servant for a high-class prostitute | 禿 ichi1 (Edo period) |
| gen. | n Yubari class destroyer escort | ゆうばり型護衛艦 |