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bioregion

[bahy-oh-ree-juh n]
noun
  1. a place, locale, or area that constitutes a natural ecological community.
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Origin of bioregion

First recorded in 1980–85; bio- + region
Related formsbi·o·re·gion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
bioregion in Science

bioregion

[bī′ō-rē′jən]
  1. An area constituting a natural ecological community with characteristic flora, fauna, and environmental conditions and bounded by natural rather than artificial borders.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.