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upstream adj : in the direction against a stream's current [ant: downstream] adv

1 toward the source or against the current [syn: upriver] [ant: downriver, downriver]

2 against the current; "he swam upstream"

User Contributed Dictionary

English

Adjective

upstream

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

Antonyms

downstream

Translations

French: amont, montant
Japanese: 川上 (kawakami)

Adverb

upstream

against the current

Antonyms

downstream

Translations

French: à contre-courant, (vers la montagne)
German: flussaufwärts
Japanese: 川上 (kawakami)

Extensive Definition

In geography, upstream means literally towards the source of a stream or river, or against the normal direction of water flow. By analogy with this, see also:

Molecular biology
- Upstream on DNA, determining relative positions on DNA.
- Upstream in signal transduction, determining temporal and mechanistic order of cellular and molecular events of signal transduction.
upstream (computer science).
upstream (oil industry).
Upstream emission factor.
upstream (bioprocess).
upstream (marketing).

There are also companies named upstream. See list below:

Other uses:

Upstream (film), a 1927 film directed by John Ford

upstream in German: Upstream

upstream in Portuguese: Montante

upstream in Urdu: زبر بہاؤ

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