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Added 9 October 2026

acanthodian

/ˌæk.n̩ˈθoʊ.di.n̩/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about acanthodian at Wordnik → Where our words come from →

A member of a group of extinct fish (Acanthodii) that existed from the Silurian to the Permian period..mw-parser-output .defdate{font-size:smaller}

adjective

Pertaining to Acanthodii.

Origin

From taxonomic name Acanthodii + English -ian.

From Wiktionary, via Kaikki.org (CC BY-SA)

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