biozone

From bio- +‎ zone.

• (Received Pronunciation) IPA^(key): /baɪəʊzəʊn/
• (General American) IPA^(key): /ˈbaɪoʊˌzoʊn/

• Audio (General American):

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biozone (plural biozones)

1. (geology) A biostratigraphic unit: an interval of geological strata defined on the basis of its characteristic fossil taxa.
2. (ecology) An ecozone.

• biozonal

• “biozone”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.