bioregionn.
/ˈbʌɪəʊriːdʒ(ə)n/, U.S. /ˈbaɪoʊˌridʒən/ A geographical area defined by biological or environmental characteristics, rather than by political or administrative boundaries. Cf. ecoregion n.
ΚΠ
1945 Man 45 122/1 This lability of the chin parts is distributed mostly over the Southeast-Asian bioregion.
1967 Q. Rev. Biol. 42 527/1 The chapter..contains sections on ecological bioregions.
1986 M. Stott Spilling Beans 33 The Mediterranean is a bio-region, so is the Sahel, and use of the term indicates a rejection of shallow and divisive concepts such as nation or class.
2003 New Scientist 22 Nov. 59/1 The state is home to extraordinary biodiversity, with 19 terrestrial bioregions and 17 marine bioregions.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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