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ostracoderm

Syllabification: (os·tra·co·derm)
Pronunciation: /ˈästrəkōˌdərm/
Definition of ostracoderm

noun

  • an extinct jawless fish of the Cambrian to Devonian periods, having a heavily armored body.
    • Class Agnatha: several orders

Origin:

late 19th century: from modern Latin Ostracodermi (former taxonomic name), from Greek ostrakon 'shell' + derma 'skin'

ostracoderm in other Oxford dictionaries

Definition of ostracoderm in the British & World English dictionary

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