| Subject | English | Japanese |
| comp. | n implementation under test | 試験対象 |
| construct. | material under test | 供試材料 (きょうし・ざいりょう) |
| comp. | n system under test | 試験対象システム |
| comp., MS | system-under-test | テスト下のシステム (A system that is being tested for correct operation) |
| gen. | test specified under applicable standard | 該当規定基準の試験 |
| gen. | adj-no under test | 試験中 (e.g. device) |
| gen. | n adj-no product under testing | 供試 |