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单词 crustacean
释义

crustaceann.adj.

Brit. /krʌˈsteɪʃn/, U.S. /krəˈsteɪʃ(ə)n/
Origin: Formed within English, by derivation. Etymons: Crustacea n., -an suffix.
Etymology: < Crustacea n. + -an suffix.
A. n.
Zoology. An animal of the group Crustacea.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of
shellfishc888
sea-gar1674
gill-breather1828
crustacean1834
sea-insect1860
1834 R. Owen Descr. Catal. Compar. Anat. II. p. v We arrive at the superaddition of an express pulsating organ and centre of the circulation in the Insect and Crustacean.
1873 J. W. Dawson Story Earth & Man iii. 54 The Crustaceans, the highest marine animals of the annulose type.
1903 Science 18 Sept. 368/2 The recognition of..a group Arthropoda including crustaceans, arachnids, protracheates and tracheates.
a1933 J. A. Thomson Biol. for Everyman (1934) I. v. 107 Even quickly-moving minute crustaceans, so-called water-fleas, did not move quickly enough to escape.
1965 J. D. Carthy Behaviour of Arthropods vi. 77 Some brood care is shown by crustaceans who retain the eggs in a variety of brood sacs or chambers.
2006 Daily Tel. 29 Nov. 15/1 Dunkleosteus terrelli..lived 400 million years ago in the Devonian era when..ancient crustaceans and molluscs swam about.
B. adj.
1. Zoology. Of, relating to, or characteristic of the group Crustacea.
ΘΚΠ
the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [adjective]
crustyc1400
crusted1610
crustaceous1646
crustacean1835
crustaceal1853
1835 W. Kirby On Power of God in Creation of Animals II. xiv. 22 There is a tribe of parasitic animals..which Audoin and Milne Edwards conjecture are of a Crustacean type.
1858 A. Geikie Story of Boulder v. 81 The most abundant order of Crustacean life.
1883 Science 26 Oct. 572/2 ‘Protopodite’ and ‘protopod’ are already in use for parts of crustacean appendages.
a1901 F. W. H. Myers Human Personality (1903) I. 194 Can it be some kind of self-suggestion which prevents the mammal from crediting himself with crustacean recuperativeness?
1928 S. R. Damon Food Infections & Food Intoxications xv. 215 The first host is a crustacean copepod, the second a fresh-water fish, and the final, or definitive host, is man.
1970 Amer. Jrnl. Surg. 119 562/2 There is a higher degree of orientation of fungal chitin than in crustacean or arthropodal chitin.
2002 S. Stacey & J. Fairley 21st Cent. Beauty Bible 140/2 The smoothing action in this gel is down to an extract of brown seaweed as well as chitin (from crustacean shells).
2. Designating an aeroplane wing in which stresses are carried by the outer skin (in the manner of a crustacean's exoskeleton) rather than by struts. rare and disused.
ΘΚΠ
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [adjective] > types of wing
flappinga1857
cambered1909
swept-back1914
slotted1921
crustacean1928
cranked1939
unswept1946
variable sweep1954
Gothic1959
ogival1962
1928 Daily Tel. 10 Apr. 4Crustacean’ wings, in which the metal lifting surface itself takes the stresses.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online June 2022).
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n.adj.1834
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