
1) Against the current 2) Computing terminology 3) One way to swim 4) Tough way to swim 5) Toward the source
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https://www.crosswordclues.com/clue/upstream

1) Upriver
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https://www.crosswordclues.com/clue/upstream

those processes necessary before a particular activity is completed e.g. for a manufactured product this would be the extraction, transport of materials etc. needed prior to the process of manufacture cf. downstream.
Found on
http://en.wikipedia.org/wiki/Glossary_of_environmental_science

Against the current of the river or stream.
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http://english-fly-fishing-flies.s3-website-eu-west-1.amazonaws.com/glossar

In the oil and gas industries, exploration and production as opposed to downstream refining and distribution....
more on UpstreamFound on
http://moneyterms.co.uk/s/

• (adv.) Toward the higher part of a stream; against the current.
Found on
http://thinkexist.com/dictionary/meaning/upstream/

Term used widely in interactive TV (iTV terms) to refer to the signal pathway from the home to the service provider (e.g. cable operator). This will usually have lower bandwidth demands than the downstream signal pathway from the service provider to the home.
Found on
http://www.agbnielsen.net/glossary/glossaryQ.asp?type=alpha&jump=none

Generic term that includes oil and gas production facilities; pipelines; gas processing and liquefied natural gas production facilities and receiving terminals. Can be on or offshore based.
Found on
http://www.contractorsunlimited.co.uk/glossary.shtml

pertaining to locations on the tape longitudinally displaced from a given reference point in the opposite direction to tape motion
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=806-17-18

The region extending in a 5' direction from a gene.
Found on
http://www.encyclo.co.uk/local/20095

In the opposite direction to flow towards a given point of reference (against the flow of water from a given point of reference).
Found on
http://www.encyclo.co.uk/local/20844

<molecular biology> Refers to nucleotide sequences that precede the codons specifying the mRNA or that precede (are on the 5' side of) the protein coding sequence. Also used of the early events in any process that involves sequential reactions. ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(up´strēm) in molecular biology, a term used to denote a region of nucleic acid to the 5´ side of a gene or region of interest.
Found on
http://www.encyclo.co.uk/local/21001

Opposite to the currents flow - towards the source of the river
Found on
http://www.encyclo.co.uk/local/21748

The process of developing oil fields, exploring for oil, and producing oil from oil fields. Downstream is the opposite of upstream.
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http://www.encyclo.co.uk/visitor-contributions.php

Refers to nucleotide sequences that precede the codons specifying the mRNA or that precede (are on the 5' side of) the protein-coding sequence. Also used of the early events in any process that involves sequential reactions.
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http://www.encyclo.co.uk/visitor-contributions.php

against the current or flow.
Found on
https://dipndive.com/blogs/stories/diving-lingo-101-glossary-of-terms-phras

in the opposite direction of water flow
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https://sciencetrek.org/sciencetrek/topics/salmon/glossary.cfm

Principal direction of movement for customer orders which originate at point of demand or use, as well as other flows, such as return product movements, payments for purchases, etc. Opposite of downstream.
Found on
https://scmedu.org/upstream/

In the opposite direction to flow towards a given point of reference (Against the flow of water from a given point of reference).
Found on
https://www.encyclo.co.uk/local/20822

the exploration and production portions of the oil and gas industry.
Found on
https://www.encyclo.co.uk/local/20857
adjective in the direction against a stream`s current
Found on
https://www.encyclo.co.uk/local/20974

against the current of the river or stream.
Found on
https://www.encyclo.co.uk/local/22502

toward or in the higher part of a stream; against the current.
Found on
https://www.infoplease.com/dictionary/upstream

The converse of downstream ( q.v. ), it includes the exploration and drilling of wells in the petroleum production process.
Found on
https://www.photius.com/countries/bahrain/glossary/index.html
No exact match found.