gain medium
Subject: ELEC / Lasers & optoelectronics
| Language | Term |
| DE - German | Lasermedium |
| EN - English | gain medium |
| ES - Spanish | medio activo |
| FR - French | milieu amplificateur |
| JA - Japanese | 利得媒質 |
| KO - Korean | 이득 매질 |
| PT - Portuguese | meio ativo |
| RU - Russian | активная среда |
| ZH - Chinese | 增益介质 |