noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/baɪəʊzəʊn/
General-American:/ˈbaɪoʊˌzoʊn/
General-American:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
A biostratigraphic unit: an interval of geological strata defined on the basis of its characteristic fossil taxa.
Definition source: English Wiktionary via Wiktextract
Topics: geography, geology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
An ecozone.
Definition source: English Wiktionary via Wiktextract
Topics: biology, ecology, natural-sciences
No example sentence was provided for this meaning.