malacostracann.adj.

Brit.

/ˌmaləˈkɒstrək(ə)n/, U.S.

/ˈˌmæləˈˌkɑstrəkən/

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

Etymology: < scientific Latin Malacostraca, plural ( E. Bertrand Dict. universel des fossiles propres et des fossiles accidentels (1763) II. 3; < ancient Greek μαλακόστρακος soft-shelled, crustaceous (Aristotle, Hist. Animalium) < μαλακο- malaco- comb. form + ὄστρακον shell: see ostraco- comb. form) + -an suffix. Compare post-classical Latin malacostracha, glossed ‘soft as fishe without shelles’ in T. Elyot Dict. (1538); French malacostracés, plural noun (1802).

Zoology.

A. n.

A crustacean of the class Malacostraca, which includes shrimps, crabs, lobsters, isopods, and amphipods.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > member of

malacostracan1835

1835 W. Kirby On Power of God in Creation of Animals II. xiv. 18 He further subdivides..the Crustaceans into Entomostracans and Malacostracans.

1951 W. S. Bullough Pract. Invertebr. Anat. xiv. 213 The malacostracans are a very numerous group, and they include the largest and most successful of the Crustacea.

1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xiv. 690/2 The trunk of a malacostracan is typically composed of 14 segments, plus the telson.

B. adj.

Of, relating to, or characteristic of the class Malacostraca.

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [adjective] > of or belonging to Malacostraca

malacostracous1835

malacostracan1866

1866 C. Darwin Origin of Species (ed. 4) xiii. 523 The whole enormous malacostracan class.

1893 A. E. Shipley Zool. Invertebr. 280 The characteristic Malacostracan excretory gland is found opening on the second antennæ.

1956 A. C. Hardy Open Sea I. xiii. 254 True photophores of elaborate pattern have been evolved in three of the higher malacostracan groups.

1989 S. J. Gould Wonderful Life (1991) 109 Hymenocaris..is a true crustacean of the malacostracan line.

This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022).

单词	malacostracan
释义	malacostracann.adj. Brit. /ˌmaləˈkɒstrək(ə)n/, U.S. /ˈˌmæləˈˌkɑstrəkən/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Malacostraca , -an suffix. Etymology: < scientific Latin Malacostraca, plural ( E. Bertrand Dict. universel des fossiles propres et des fossiles accidentels (1763) II. 3; < ancient Greek μαλακόστρακος soft-shelled, crustaceous (Aristotle, Hist. Animalium) < μαλακο- malaco- comb. form + ὄστρακον shell: see ostraco- comb. form) + -an suffix. Compare post-classical Latin malacostracha, glossed ‘soft as fishe without shelles’ in T. Elyot Dict. (1538); French malacostracés, plural noun (1802). Zoology. A. n. A crustacean of the class Malacostraca, which includes shrimps, crabs, lobsters, isopods, and amphipods. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Malacostraca > member of malacostracan1835 1835 W. Kirby On Power of God in Creation of Animals II. xiv. 18 He further subdivides..the Crustaceans into Entomostracans and Malacostracans. 1951 W. S. Bullough Pract. Invertebr. Anat. xiv. 213 The malacostracans are a very numerous group, and they include the largest and most successful of the Crustacea. 1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xiv. 690/2 The trunk of a malacostracan is typically composed of 14 segments, plus the telson. B. adj. Of, relating to, or characteristic of the class Malacostraca. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [adjective] > of or belonging to Malacostraca malacostracous1835 malacostracan1866 1866 C. Darwin Origin of Species (ed. 4) xiii. 523 The whole enormous malacostracan class. 1893 A. E. Shipley Zool. Invertebr. 280 The characteristic Malacostracan excretory gland is found opening on the second antennæ. 1956 A. C. Hardy Open Sea I. xiii. 254 True photophores of elaborate pattern have been evolved in three of the higher malacostracan groups. 1989 S. J. Gould Wonderful Life (1991) 109 Hymenocaris..is a true crustacean of the malacostracan line. This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022). < n.adj.1835
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