ophiuroidn.adj.

Brit.

/ˈɒfjᵿrɔɪd/, U.S.

/ˈɑf(j)əˌrɔɪd/,

/ˈoʊf(j)əˌrɔɪd/

Origin: A borrowing from Latin. Etymon: Latin Ophiuroidea.

Etymology: < scientific Latin Ophiuroidea, class name (1865 or earlier) < Ophiura Ophiura n. + -oidea (see -oid suffix).

Zoology.

A. n.

A marine echinoderm of the class Ophiuroidea, related to the starfishes and having long thin brittle arms that radiate from a small central disc; a brittlestar.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Ophiuroidea > member of

Ophiura1837

brittlestar1841

sand-star1841

serpent-star1851

ophiuran1864

spinigrade1864

ophiurid1869

ophiuroid1870

ophiure1890

1870 Amer. Naturalist 3 612 Prof. Verrill describes seven new species of Echinoids, five of Asteroids, six of Ophiuroids, and six new species of coral.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 548 It [sc. the gastrula] is said to be delaminate in the Ophiuroids Ophiothrix versicolor and Amphiura squamata.

1912 Philos. Trans. (Royal Soc.) B. 202 215 Bury..was speaking not of the young Ophiuroid but of the larva.

1957 Jrnl. Animal Ecol. 26 373 Ophiuroids are relatively common in the stomach contents [of fish], especially Amphioplus congensis which lives buried in soft mud.

2002 Limnol. & Oceanogr. 47 571 Ophiuroids contributed up to 7% of the total daily flux of particulate organic carbon..in the top trap.

B. adj.

Of, relating to, or characteristic of the class Ophiuroidea; of an ophiuroid.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to class Ophiuroidea

spinigrade1841

ophiuroid1877

ophiuran1882

ophiurid1882

1877 A. Agassiz N. Amer. Starfishes i. ii. 53 The young Starfish is still eminently ophiuroid in its most important embryonic features.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 549 The Echinoid and Ophiuroid larva is known as Pluteus.

1900 F. A. Bather et al. Echinoderma 3 No sharp line can be drawn between Asteroid and Ophiuroid structure.

1951 Philos. Trans. (Royal Soc.) B. 235 90 These pouches are formed during body outgrowths (the ophiuroid disk).

2002 Jrnl. Exper. Biol. 205 799 The aim of this work is to investigate the nature of control mechanisms of light emission in three luminous ophiuroid species.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).

单词	ophiuroid
释义	ophiuroidn.adj. Brit. /ˈɒfjᵿrɔɪd/, U.S. /ˈɑf(j)əˌrɔɪd/, /ˈoʊf(j)əˌrɔɪd/ Origin: A borrowing from Latin. Etymon: Latin Ophiuroidea. Etymology: < scientific Latin Ophiuroidea, class name (1865 or earlier) < Ophiura Ophiura n. + -oidea (see -oid suffix). Zoology. A. n. A marine echinoderm of the class Ophiuroidea, related to the starfishes and having long thin brittle arms that radiate from a small central disc; a brittlestar. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Ophiuroidea > member of Ophiura1837 brittlestar1841 sand-star1841 serpent-star1851 ophiuran1864 spinigrade1864 ophiurid1869 ophiuroid1870 ophiure1890 1870 Amer. Naturalist 3 612 Prof. Verrill describes seven new species of Echinoids, five of Asteroids, six of Ophiuroids, and six new species of coral. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 548 It [sc. the gastrula] is said to be delaminate in the Ophiuroids Ophiothrix versicolor and Amphiura squamata. 1912 Philos. Trans. (Royal Soc.) B. 202 215 Bury..was speaking not of the young Ophiuroid but of the larva. 1957 Jrnl. Animal Ecol. 26 373 Ophiuroids are relatively common in the stomach contents [of fish], especially Amphioplus congensis which lives buried in soft mud. 2002 Limnol. & Oceanogr. 47 571 Ophiuroids contributed up to 7% of the total daily flux of particulate organic carbon..in the top trap. B. adj. Of, relating to, or characteristic of the class Ophiuroidea; of an ophiuroid. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [adjective] > belonging to class Ophiuroidea spinigrade1841 ophiuroid1877 ophiuran1882 ophiurid1882 1877 A. Agassiz N. Amer. Starfishes i. ii. 53 The young Starfish is still eminently ophiuroid in its most important embryonic features. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 549 The Echinoid and Ophiuroid larva is known as Pluteus. 1900 F. A. Bather et al. Echinoderma 3 No sharp line can be drawn between Asteroid and Ophiuroid structure. 1951 Philos. Trans. (Royal Soc.) B. 235 90 These pouches are formed during body outgrowths (the ophiuroid disk). 2002 Jrnl. Exper. Biol. 205 799 The aim of this work is to investigate the nature of control mechanisms of light emission in three luminous ophiuroid species. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022). < n.adj.1870
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