| Subject | English | Japanese |
| comp., MS | application prototype | アプリケーション プロトタイプ (A template of an application definition that can be placed on the toolbox. May be pre-supplied or can be created from any application on the Application Connection Diagram and distributed for use by other users) |
| gen. | n function prototype | 関数原型 |
| phys. | international prototype kilogram | 国際キログラム原器 (kokusai-kiroguramu-genki) |
| comp., MS | logical server prototype | 論理サーバー プロトタイプ (A preconfigured logical server in the Toolbox that you can use to define logical servers on the logical datacenter diagram) |
| comp. | n macro prototype | マクロ本体 |
| gen. | n prototype edition | 試作版 |
| gen. | n prototype kilogram | キログラム原器 |
| el. | prototype L-section filter | プロトタイプＬ形フィルタ |
| gen. | n prototype model | 試作品 (しさくひん) |
| gen. | n prototype model | 試作機 (しさくき) |
| gen. | n prototype reactor | 原型炉 |
| construct. | prototype room | モデルルーム (moderu-rūmu) |
| comp. | n prototype system | プロトタイプ・システム |
| comp. | n prototype system | プロトタイプシステム |
| comp., MS | SketchFlow prototype | SketchFlow プロトタイプ (A prototype created by using the SketchFlow features available in Expression Blend 3) |