[adv. on-streem, awn-; adj. on-streem, awn-] 
| 1. | in or into regular operation, esp. as part of a system, assembly line, or the like: When the new printing press goes on-stream, we'll be able to print twice as many newspapers a day. |
| 2. | operating on a regular basis or at full capacity: on-stream production. |
