pennatulaceanadj.n.

Brit.

/ˌpɛnᵻtjᵿˈleɪʃn/,

/ˌpɛnᵻtʃᵿˈleɪʃn/, U.S.

/ˈˌpɛnətʃəˈleɪʃ(ə)n/

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

Etymology: < scientific Latin Pennatulacea, order name (A. E. Verrill 1865, in Proc. Essex Inst. (1866) 4 149; < Pennatula , genus name (see pennatulid n. and adj.) + -acea -acea suffix) + -an suffix. Compare earlier pennatularious adj., and also pennatularian adj. and n., pennatuloid adj. and n.

Zoology.

A. adj.

Of or relating to the order Pennatulacea of alcyonarian coelenterates, which have an elongated primary polyp anchored in sand or mud and usually bear secondary polyps on lateral branches.

ΚΠ

1890 Cent. Dict. 4375/2 Pennatulacean, pertaining to the Pennatulaceæ, or having their characters.

1966 Palaeontol. 9 614 There are fossil specimens showing a long stalk with a pennatulacean fossil..at one end.

1990 Jrnl. Molluscan Stud. 56 393/2 The arminid nudibranchs are poorly documented world-wide, probably because they are found in deeper waters, often ploughing through soft sediments, in search of the pennatulacean prey.

B. n.

A coelenterate of this order; a sea pen.

ΚΠ

1890 Cent. Dict. 4375/2 Pennatulacean, a member of the Pennatulaceæ.

1959 Nature 23 May 1473/1 The presence of a medusa-like base which would correspond to the primary axial polyp of a Pennatulacean could lead to phylogenetic speculations about the still obscure relationships of Scyphozoa and Anthozoa.

2000 C. Tudge Variety of Life ii. vi. 219 Pennatulaceans are often luminescent.

Derivatives

† pennatulaceous adj. Obsolete rare = A.Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. 4375/2 Pennatulaceous, same as pennatulacean.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pennatulacean
释义	pennatulaceanadj.n. Brit. /ˌpɛnᵻtjᵿˈleɪʃn/, /ˌpɛnᵻtʃᵿˈleɪʃn/, U.S. /ˈˌpɛnətʃəˈleɪʃ(ə)n/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Pennatulacea , -an suffix. Etymology: < scientific Latin Pennatulacea, order name (A. E. Verrill 1865, in Proc. Essex Inst. (1866) 4 149; < Pennatula , genus name (see pennatulid n. and adj.) + -acea -acea suffix) + -an suffix. Compare earlier pennatularious adj., and also pennatularian adj. and n., pennatuloid adj. and n. Zoology. A. adj. Of or relating to the order Pennatulacea of alcyonarian coelenterates, which have an elongated primary polyp anchored in sand or mud and usually bear secondary polyps on lateral branches. ΚΠ 1890 Cent. Dict. 4375/2 Pennatulacean, pertaining to the Pennatulaceæ, or having their characters. 1966 Palaeontol. 9 614 There are fossil specimens showing a long stalk with a pennatulacean fossil..at one end. 1990 Jrnl. Molluscan Stud. 56 393/2 The arminid nudibranchs are poorly documented world-wide, probably because they are found in deeper waters, often ploughing through soft sediments, in search of the pennatulacean prey. B. n. A coelenterate of this order; a sea pen. ΚΠ 1890 Cent. Dict. 4375/2 Pennatulacean, a member of the Pennatulaceæ. 1959 Nature 23 May 1473/1 The presence of a medusa-like base which would correspond to the primary axial polyp of a Pennatulacean could lead to phylogenetic speculations about the still obscure relationships of Scyphozoa and Anthozoa. 2000 C. Tudge Variety of Life ii. vi. 219 Pennatulaceans are often luminescent. Derivatives † pennatulaceous adj. Obsolete rare = A.Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. 4375/2 Pennatulaceous, same as pennatulacean. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.n.1890
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