bioregion
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.bio·re·gion
noun \ˈbī-ō-ˌrē-jən\Definition of BIOREGION
: a region whose limits are naturally defined by topographic and biological features (as mountain ranges and ecosystems)
— bio·re·gion·al \ˌbī-ō-ˈrēj-nəl, -ˈrē-jə-nəl\ adjective
First Known Use of BIOREGION
1978
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