| Subject | English | German |
| gen. | active core volume | aktives Kernvolumen |
| gen. | active core volume | aktives Kernvolum |
| nucl.phys., radiat. | active volume | empfindliches Volumen (of a radiation detector, especially a counter tube) |
| el. | active volume | Arbeitsvolumen |
| comp., MS | active volume | aktives Volume (The volume from which the computer starts up. The active volume must be a simple volume on a dynamic disk. You cannot mark an existing dynamic volume as the active volume, but you can upgrade a basic disk containing the active partition to a dynamic disk. After the disk is upgraded to dynamic, the partition becomes a simple volume that is active) |
| radiat. | active volume | Zählvolumen (of a radiation detector, especially a counter tube, eines Zählrohrs) |
| radiat. | active volume | aktives Volumen (of a radiation detector, especially a counter tube) |