† pentatrematoidadj.n.

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

Etymology: < scientific Latin †Pentatremites (see pentremite n.) + -oid suffix, perhaps by association with the (unrelated) trematoid adj. and n. at trematode adj. and n. Derivatives. Compare scientific Latin †Pentatremitidae , family name. Compare earlier pentremite n.

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

A. adj.

Of or relating to the extinct family Pentremitidae of blastoid echinoderms, which contains the genus Pentremites.

ΚΠ

1890 Cent. Dict. 4380/3 Pentatrematoid, related to or resembling the Pentatremitidæ; of, or having the characters of, the Pentatremitidæ.

B. n.

An extinct echinoderm of the family Pentremitidae.

ΚΠ

1890 Cent. Dict. 4380/3 Pentatrematoid, a pelmatozoan of the family Pentatremitidæ or order Blastoidea; a blastoid.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online June 2021).

单词	pentatrematoid
释义	† pentatrematoidadj.n. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pentatremites , -oid suffix. Etymology: < scientific Latin †Pentatremites (see pentremite n.) + -oid suffix, perhaps by association with the (unrelated) trematoid adj. and n. at trematode adj. and n. Derivatives. Compare scientific Latin †Pentatremitidae , family name. Compare earlier pentremite n. Palaeontology. Obsolete. rare. Apparently only attested in dictionaries or glossaries. A. adj. Of or relating to the extinct family Pentremitidae of blastoid echinoderms, which contains the genus Pentremites. ΚΠ 1890 Cent. Dict. 4380/3 Pentatrematoid, related to or resembling the Pentatremitidæ; of, or having the characters of, the Pentatremitidæ. B. n. An extinct echinoderm of the family Pentremitidae. ΚΠ 1890 Cent. Dict. 4380/3 Pentatrematoid, a pelmatozoan of the family Pentatremitidæ or order Blastoidea; a blastoid. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online June 2021). < adj.n.1890
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