adverb or adjective

on·​stream ˈȯn-ˈstrēm How to pronounce onstream (audio)
: in or into production
plants scheduled to come onstream

Examples of onstream in a Sentence

Recent Examples on the Web The only big developments are in the energy sector, which will see the $400 billion Power of Siberia gas pipeline come onstream this year. Fred Weir, The Christian Science Monitor, 6 June 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'onstream.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1930, in the meaning defined above

Time Traveler
The first known use of onstream was in 1930

Dictionary Entries Near onstream

Cite this Entry

“Onstream.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onstream. Accessed 15 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!