UPSTREAM

Upstream

The oil and gas industry is usually divided into three major sectors: upstream, midstream and downstream. The upstream oil sector is also commonly known as the exploration and production sector.

The above text is a snippet from Wikipedia: Upstream (petroleum industry)
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upstream

Adjective

  1. in a direction against the flow of a current or stream; upriver
  2. involving exploration and pre-production rather than refining and selling
  3. in the direction from the client to the server
  4. towards the leading end (5'end) of a DNA molecule

Adverb

upstream

  1. against the current


The above text is a snippet from Wiktionary: upstream
and as such is available under the Creative Commons Attribution/Share-Alike License.

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