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What does OR stand for?

OR stands for Observed Ratio

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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We have 47 other meanings of OR in our Acronym Attic

Samples in periodicals archive:

For most of the studies conducted between the 1950s and the 1980s, fisheries bycatch was estimated by using a ratio estimator, that is to say by calculating the observed ratio of fish (F) bycatch to shrimp (S) by weight and then multiplying by the total pounds of shrimp landed by the fleet (the F:S ratio estimator).