bio·​re·​gion | \ ˈbī-ō-ˌrē-jən How to pronounce bioregion (audio) \

Definition of bioregion

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

Other Words from bioregion

bioregional \ ˌbī-​ō-​ˈrēj-​nəl How to pronounce bioregion (audio) , -​ˈrē-​jə-​nᵊl \ adjective

Examples of bioregion in a Sentence

Recent Examples on the Web Part of the Cascadia bioregion, the sound teems with countless species of animals and plants. Clarissa Dawes, National Geographic, 11 Oct. 2020 Other potential bids from Cascadia (a bioregion in the Pacific Northwest) and Tokyo were put off until 2022 to secure funding; while Blacktown, Sydney in Australia was mooted as a potential host at an early stage of the process., 20 Aug. 2019 PCBs have been found the world over—from the bed of the Hudson River to the fat of polar bears roaming the high Arctic—but never before in the creatures of the extreme deep, a bioregion about which science knows relatively little. Rebecca Altman, The Atlantic, 4 Oct. 2017 Saint Francis (San Francisco) – the namesake of our bioregion – is the patron saint of animals and the environment. Peter Drekmeier, The Mercury News, 16 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bioregion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of bioregion

1945, in the meaning defined above

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The first known use of bioregion was in 1945

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Cite this Entry

“Bioregion.” Dictionary, Merriam-Webster, Accessed 16 Jan. 2022.

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