poriferann.adj.

Brit.

/pəˈrɪf(ə)rən/,

/pəˈrɪf(ə)rn̩/, U.S.

/pəˈrɪf(ə)rən/

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

Etymology: < scientific Latin Porifera, phylum name (see Porifera n.) + -an suffix. With use as adjective compare poriferal adj. at Porifera n. Derivatives and earlier poriferous adj. 1.

Zoology.

A. n.

A member of the phylum Porifera; a sponge.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of

sponge1538

spongiary1860

poriferan1864

leuconoid1911

1864 Webster's Amer. Dict. Eng. Lang. Poriferan, an animal of the group comprising the sponges.

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 716 The irregular and continuous growth of a Poriferan.

1961 G. K. Reid Ecol. Inland Waters & Estuaries xii. 230 The poriferan does frequently harbor an assemblage of algae, worms, insects, and crustacea.

2001 Pittsburgh Post-Gazette (Pennsylvania) (Nexis) 26 July b3 Sponges are poriferans, the most primitive of the multicellular animals. They have no organs, and no mouths. They take in water through tiny pores in their outer walls and filter out nutrients.

B. adj.

Of, relating to, or belonging to the phylum Porifera.

ΘΚΠ

the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective]

polystomatous1825

polystomous1848

polystome1859

poriferal1877

poriferan1877

leuconoid1894

1877 T. H. Huxley Man. Anat. Invertebrated Animals xii. 678 Comparable to Physemarian or Poriferan embryos.

1890 Cent. Dict. Poriferan theory, that theory which considers the tracheæ or tubes of some animals as having a common origin with the incurrent tubes of the Porifera or sponges.

1968 Jrnl. Invertebr. Pathol. 12 53 Poriferan amebocytes, the archaeocytes, transform into any cell type within the animal when the organism is injured.

1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) iv. 84/1 Solid, calcareous skeletons developed independently within at least two of the main poriferan classes (Demospongea and Calcarea).

This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).

单词	poriferan
释义	poriferann.adj. Brit. /pəˈrɪf(ə)rən/, /pəˈrɪf(ə)rn̩/, U.S. /pəˈrɪf(ə)rən/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Porifera , -an suffix. Etymology: < scientific Latin Porifera, phylum name (see Porifera n.) + -an suffix. With use as adjective compare poriferal adj. at Porifera n. Derivatives and earlier poriferous adj. 1. Zoology. A. n. A member of the phylum Porifera; a sponge. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [noun] > member of sponge1538 spongiary1860 poriferan1864 leuconoid1911 1864 Webster's Amer. Dict. Eng. Lang. Poriferan, an animal of the group comprising the sponges. 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 716 The irregular and continuous growth of a Poriferan. 1961 G. K. Reid Ecol. Inland Waters & Estuaries xii. 230 The poriferan does frequently harbor an assemblage of algae, worms, insects, and crustacea. 2001 Pittsburgh Post-Gazette (Pennsylvania) (Nexis) 26 July b3 Sponges are poriferans, the most primitive of the multicellular animals. They have no organs, and no mouths. They take in water through tiny pores in their outer walls and filter out nutrients. B. adj. Of, relating to, or belonging to the phylum Porifera. ΘΚΠ the world > animals > invertebrates > subkingdom Parazoa > phylum Porifera > [adjective] polystomatous1825 polystomous1848 polystome1859 poriferal1877 poriferan1877 leuconoid1894 1877 T. H. Huxley Man. Anat. Invertebrated Animals xii. 678 Comparable to Physemarian or Poriferan embryos. 1890 Cent. Dict. Poriferan theory, that theory which considers the tracheæ or tubes of some animals as having a common origin with the incurrent tubes of the Porifera or sponges. 1968 Jrnl. Invertebr. Pathol. 12 53 Poriferan amebocytes, the archaeocytes, transform into any cell type within the animal when the organism is injured. 1993 E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) iv. 84/1 Solid, calcareous skeletons developed independently within at least two of the main poriferan classes (Demospongea and Calcarea). This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022). < n.adj.1864
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