Cnidarian.

Brit.

/(k)nɪˈdɛːrɪə/,

/(k)nʌɪˈdɛːrɪə/, U.S.

/naɪˈdɛriə/

Origin: A borrowing from Latin; modelled on a German lexical item. Etymon: Latin Cnidaria.

Etymology: < scientific Latin Cnidaria (see quot. 1884) < ancient Greek κνίδη nettle (see cnida n.) + classical Latin -āria , plural of -ārium -ary suffix¹ (see -a -a suffix²), after German Cnidarien (1883 in the passage translated in quot. 1884). Compare French cnidaires , former subclass name ( H. Milne-Edwards Hist. nat. des coralliaires (1857) I. 95; compare quot. 1861).

Zoology.

With plural agreement: a phylum of aquatic acoelomate invertebrates comprising the jellyfishes, sea anemones, and colonial forms such as corals, characterized by a tube- or cup-shaped body with a single opening ringed with stinging tentacles, and typically existing as either sedentary polyps or free-swimming medusae. Also: animals of this group (collectively or individually); cnidarians.This group was regarded as a subphylum of the Coelenterata until the Ctenophora were removed, after which it became effectively synonymous with Coelenterata.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun]

Coelenterata1858

Coelentera1880

Cnidaria1884

1861 Nat. Hist. Rev. 1 331 There is a general introduction on the organization of the Polypes. These form the class Coralliaria, divided into the sub-classes Cnidaria and Podactinaria.]

1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta vii. 222 The Cnidaria [Ger. die Cnidarien] represent the Cœlenterata in a more restricted sense.

1910 Encycl. Brit. XIV. 172/2 In this way is formed a ring of tentacles, the most characteristic feature of the Cnidaria.

1940 L. H. Hyman Invertebrates I. v. 252 The three lowest metazoan phyla, the Porifera, the Cnidaria, and the Ctenophora, are commonly stated to have remained at the gastrular level of construction.

1968 J. Bouillon in M. Florkin & B. T. Scheer Chem. Zool. II. ii. i. 126 These Cnidaria present alternating generations of the asexual or polyp phase..and of the sexual phase.

2005 Biol. Bull. 208 229/1 Slow mitochondrial DNA evolution might be a widespread phenomenon within Cnidaria.

This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022).

单词	cnidaria
释义	Cnidarian. Brit. /(k)nɪˈdɛːrɪə/, /(k)nʌɪˈdɛːrɪə/, U.S. /naɪˈdɛriə/ Origin: A borrowing from Latin; modelled on a German lexical item. Etymon: Latin Cnidaria. Etymology: < scientific Latin Cnidaria (see quot. 1884) < ancient Greek κνίδη nettle (see cnida n.) + classical Latin -āria , plural of -ārium -ary suffix¹ (see -a -a suffix²), after German Cnidarien (1883 in the passage translated in quot. 1884). Compare French cnidaires , former subclass name ( H. Milne-Edwards Hist. nat. des coralliaires (1857) I. 95; compare quot. 1861). Zoology. With plural agreement: a phylum of aquatic acoelomate invertebrates comprising the jellyfishes, sea anemones, and colonial forms such as corals, characterized by a tube- or cup-shaped body with a single opening ringed with stinging tentacles, and typically existing as either sedentary polyps or free-swimming medusae. Also: animals of this group (collectively or individually); cnidarians.This group was regarded as a subphylum of the Coelenterata until the Ctenophora were removed, after which it became effectively synonymous with Coelenterata. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] Coelenterata1858 Coelentera1880 Cnidaria1884 1861 Nat. Hist. Rev. 1 331 There is a general introduction on the organization of the Polypes. These form the class Coralliaria, divided into the sub-classes Cnidaria and Podactinaria.] 1884 A. Sedgwick & F. G. Heathcote tr. C. Claus Elem. Text-bk. Zool.: Protozoa to Insecta vii. 222 The Cnidaria [Ger. die Cnidarien] represent the Cœlenterata in a more restricted sense. 1910 Encycl. Brit. XIV. 172/2 In this way is formed a ring of tentacles, the most characteristic feature of the Cnidaria. 1940 L. H. Hyman Invertebrates I. v. 252 The three lowest metazoan phyla, the Porifera, the Cnidaria, and the Ctenophora, are commonly stated to have remained at the gastrular level of construction. 1968 J. Bouillon in M. Florkin & B. T. Scheer Chem. Zool. II. ii. i. 126 These Cnidaria present alternating generations of the asexual or polyp phase..and of the sexual phase. 2005 Biol. Bull. 208 229/1 Slow mitochondrial DNA evolution might be a widespread phenomenon within Cnidaria. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < n.1884
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