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upstream

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adverb or adjective up·stream \ˈəp-ˈstrēm\

Simple Definition of upstream

  • : in the direction opposite to the flow in a stream, river, etc. : toward the source of a stream, river, etc.

Full Definition of upstream

  1. 1 :  in the direction opposite to the flow of a stream

  2. 2 :  in or to a position within the production stream closer to manufacturing processes <make most of its money upstream, selling cheap crude … to refineries — John Quirt>


UPSTREAM Defined for Kids

upstream

play
adverb up·stream \ˈəp-ˈstrēm\

Definition of upstream

  1. :  at or toward the beginning of a stream <She rowed upstream.>




Medical Dictionary

upstream

play
adverb or adjective up·stream \ˈəp-ˈstrēm\

Medical Definition of upstream

  1. :  in a direction along a molecule of DNA or RNA opposite to that in which transcription and translation take place and toward the end having a phosphate group attached to the position labeled 5′ in the terminal nucleotide <a small coding sequence is located just upstream from each…gene—J. N. Goldman et al>—compare downstream




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