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upstream
[uhp-streem]
adjective
directed upstream; situated upstream.
an upstream journey; an upstream hideout.
Commerce.of or relating to the early stages in the operations of a business or industry, as exploration and production in the oil business (downstream ).
against or opposite to the direction of transcription, translation, or synthesis of a DNA, RNA, or protein molecule.
upstream
/ ˈʌˈٰː /
adverb
in or towards the higher part of a stream; against the current
(in the oil industry) of or for any of the stages prior to oil production, such as exploration or research Compare downstream
Example Sentences
The removal of dams on the Klamath River has enabled salmon to swim far upstream to spawn.
“The board did not need to evaluate potential environmental impacts of the separate upstream and downstream projects,” he said.
Writing it has been a torrential experience –– like wading upstream in a fast-flowing river, often unsure of footing, but following the clear, strong path of the water.
The shark continued swimming in this section of river for about 30 minutes before moving upstream into a shadow area and Mr Davidson lost sight of it.
When he and his son walked upstream, they found "black sludge" emerging from an outlet pipe below the airport's holding ponds.
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