bioregion

play
noun bio·re·gion \ˈbī-ō-ˌrē-jən\

Definition of bioregion

  1. :  a region whose limits are naturally defined by topographic and biological features (such as mountain ranges and ecosystems)

bioregional

play \ˌbī-ō-ˈrēj-nəl, -ˈrē-jə-nəl\ adjective

1945

First Known Use of bioregion

1945


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WORD OF THE DAY

to cast off or become cast off

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