noun ·Rare ·Advanced level

Definitions

Noun

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

Synonyms

All synonyms

ecozone

Etymology

From bio- + zone.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.