—adj.on'strēm", ôn'-), [key]
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.
operating on a regular basis or at full capacity: on-stream production.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.