† ostracosteousadj.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Ostracostei , -ous suffix.

Etymology: < scientific Latin Ostracostei (R. Owen 1854, in Descr. Catal. Fossil Org. Remains Reptilia & Pisces Mus. Royal Coll. Surgeons 144; < ostraco- ostraco- comb. form + ancient Greek ὄστεον bone: see osteo- comb. form) + -ous suffix. Compare ostracostean adj., ostracostean n.

Palaeontology. Obsolete. rare. Apparently only attested in dictionaries or glossaries.

Of or relating to the former order Ostracostei of extinct Palaeozoic fishes (the placoderms).

ΚΠ

1890 Cent. Dict. 4172/1 Ostracosteous, covered with shell-like plates of bone;..placodermatous.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021).

单词	ostracosteous
释义	† ostracosteousadj. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Ostracostei , -ous suffix. Etymology: < scientific Latin Ostracostei (R. Owen 1854, in Descr. Catal. Fossil Org. Remains Reptilia & Pisces Mus. Royal Coll. Surgeons 144; < ostraco- ostraco- comb. form + ancient Greek ὄστεον bone: see osteo- comb. form) + -ous suffix. Compare ostracostean adj., ostracostean n. Palaeontology. Obsolete. rare. Apparently only attested in dictionaries or glossaries. Of or relating to the former order Ostracostei of extinct Palaeozoic fishes (the placoderms). ΚΠ 1890 Cent. Dict. 4172/1 Ostracosteous, covered with shell-like plates of bone;..placodermatous. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021). < adj.1890
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