larvaceann.adj.

Brit.

/lɑːˈveɪʃn/,

/lɑːˈveɪsɪən/, U.S.

/lɑrˈveɪʃ(ə)n/,

/lɑrˈveɪsiən/

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

Etymology: < scientific Latin Larvacea, class name (W. A. Herdman in Rep. Sci. Results Voy. H.M.S. Challenger. Zool. (1882) VI. xvii. 25; < post-classical Latin larva larva n. + -acea -acea suffix) + -an suffix.

Zoology.

A. n.

A solitary pelagic tunicate of the class Larvacea ( Appendicularia), found in seas worldwide, with a tadpole-like body resembling the larval stage of other tunicates, and noted for secreting and inhabiting a ‘house’ of protein and cellulose that is used in filter feeding.

ΚΠ

1939 H. H. Newman Phylum Chordata 89 The most curious feature of the life of a larvacean is the fact that it makes a ‘house’ out of its test.

1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxxii. 184 Larvaceans feed on nanoplankton.

2007 D. Zeigler Understanding Biodiversity xvii. 161 Larvaceans break out of their old houses every few hours (because they have become clogged with debris) and construct a new one with ease.

B. adj.

Designating the tunicate class Appendicularia ( Larvacea); of, relating to, or characteristic of this class.

ΚΠ

1941 Third Symp. Devel. & Growth in Growth 5 92 The larvacean tunicate Oikopleura.

1961 N. J. Berrill Growth xix. 483 A comparison among the embryonic developments in the ascidian Styela, the larvacean tunicate Oikopleura, and Amphioxus.

2002 P. Herring Biol. Deep Ocean ii. 47 An in situ photograph of a marine snow aggregate, derived from a discarded larvacean house.

This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022).

单词	larvacean
释义	larvaceann.adj. Brit. /lɑːˈveɪʃn/, /lɑːˈveɪsɪən/, U.S. /lɑrˈveɪʃ(ə)n/, /lɑrˈveɪsiən/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Larvacea , -an suffix. Etymology: < scientific Latin Larvacea, class name (W. A. Herdman in Rep. Sci. Results Voy. H.M.S. Challenger. Zool. (1882) VI. xvii. 25; < post-classical Latin larva larva n. + -acea -acea suffix) + -an suffix. Zoology. A. n. A solitary pelagic tunicate of the class Larvacea ( Appendicularia), found in seas worldwide, with a tadpole-like body resembling the larval stage of other tunicates, and noted for secreting and inhabiting a ‘house’ of protein and cellulose that is used in filter feeding. ΚΠ 1939 H. H. Newman Phylum Chordata 89 The most curious feature of the life of a larvacean is the fact that it makes a ‘house’ out of its test. 1987 M. S. Laverack & J. Dando Lect. Notes Invertebr. Zool. (ed. 3) xxxii. 184 Larvaceans feed on nanoplankton. 2007 D. Zeigler Understanding Biodiversity xvii. 161 Larvaceans break out of their old houses every few hours (because they have become clogged with debris) and construct a new one with ease. B. adj. Designating the tunicate class Appendicularia ( Larvacea); of, relating to, or characteristic of this class. ΚΠ 1941 Third Symp. Devel. & Growth in Growth 5 92 The larvacean tunicate Oikopleura. 1961 N. J. Berrill Growth xix. 483 A comparison among the embryonic developments in the ascidian Styela, the larvacean tunicate Oikopleura, and Amphioxus. 2002 P. Herring Biol. Deep Ocean ii. 47 An in situ photograph of a marine snow aggregate, derived from a discarded larvacean house. This is a new entry (OED Third Edition, September 2011; most recently modified version published online March 2022). < n.adj.1939
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