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downstream

American  
[doun-streem] / ˈdaʊnˈstrim /

adverb

  1. with or in the direction of the current of a stream.


adjective

  1. of or relating to the latter part of a process or system.

  2. Genetics. with or in the direction of transcription, translation, or synthesis of a DNA, RNA, or protein molecule.

downstream British  
/ ˈdaʊnˈstriːm /

adverb

  1. in or towards the lower part of a stream; with the current

  2. (in the oil industry) of or for the refining, distribution, or marketing of oil or its derived products Compare upstream

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of downstream

First recorded in 1700–10; down 1 + stream

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Digital technology isn’t merely accelerating some inevitable tide but is a force unto itself—one that makes solitary leisure more appealing, corrodes the incentives for sociality and, as a downstream consequence, reduces marriage and fertility.

From The Wall Street Journal • May 28, 2026

Containment booms installed by Thames Water caught some of the discharge, preventing some of the substance from spreading further downstream, but the water remains contaminated.

From BBC • May 26, 2026

Each year, the Bureau of Reclamation is required to release a plan detailing how it will keep water downstream of Shasta Dam cold enough to protect salmon.

From Los Angeles Times • May 21, 2026

"That allows us to link many different genetic perturbations to their downstream effects and identify regulatory nodes."

From Science Daily • May 21, 2026

Burden Creek has none at all, and after they merge, downstream all the way to the gap and out, the water is clear and dead.

From "Z for Zachariah" by Robert C. O’Brien

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