| 释义 |
crustaceous, a.|krʌˈsteɪʃəs|
[f. mod.L. crustāceus, f. crusta crust, hard shell: see -aceous.]
1. a. Pertaining to, or of the nature of, a crust or hard integument. crustaceous lichens (in Bot.): see quot. 1882.
1656Blount Glossogr., Crustaceous..pertaining to the crust, hard shell or pill of any thing. 1664Power Exp. Philos. i. 3 Their crustaceous Tunica Cornea. 1762B. Stillingfleet Econ. Nat. 78 The crustaceous liverworts are the first foundation of vegetation. 1830Lindley Nat. Syst. Bot. 145 The outer integument [of the seed] crustaceous, the inner membranous. 1856W. L. Lindsay Pop. Hist. Brit. Lichens iii. 80 Without a soil prepared..by crustaceous Lichens, there could have arisen no higher vegetation. 1882Vines Sachs' Bot. 319 The Thallus of Lichens is commonly developed in the form of incrustations which cover stones and the bark of trees..These Crustaceous Lichens, as they are termed [etc.]. 1921A. L. Smith Lichens iii. 72 Some crustaceous lichens have a persistently scanty furfuraceous crust.
†b. Path. Characterized by crusts or scabs.
1801Med. Jrnl. V. 23 The discovery of the crustaceous Cow-pox..The ulcers on the hands and arms assumed the crustaceous form.
2. Of animals: Having a hard integument.
1659H. More Immort. Soul ii. xi. (1662) 108 Wasps and Hornets..the Animal Spirits not easily evaporating through their crustaceous Bodies. 1664Power Exp. Philos. i. 16 Mites in Cheese..It seems they are sheath'd and crustaceous Animals (as Scarabees and such like Insects are). 1826Kirby & Sp. Entomol. (1828) III. xxix. 168 Crustaceous forms in Coleoptera.
3. a. spec. in Zool. Belonging to the class Crustacea, crustacean.
1646Sir T. Browne Pseud. Ep. iii. xvii. 151 Crustaceous animals, Lobsters, Shrimps, and Crevises. 1677Plot Oxfordsh. 106 The shell-fish of the softer crustaceous kind. 1707Curios. in Husb. & Gard. 320 Testaceous and Crustaceous Fish. 1873J. G. Bartram Harvest of Sea (ed. 3) 300 Old men..setting lobster-pots, doing business in the crustaceous delicacies of the season.
b. Crab-like; like a crustacean.
1842Blackw. Mag. LI. 377 Retiring in a crustaceous or crab-like manner from the Court. 1864Lowell Fireside Trav. 205 Thy poor crustaceous efforts at self-isolation.
Hence cruˈstaceousness.
1727Bailey vol. II, Crustaceousness, hardness, like, or being covered with a Shell, as Shell-fish. 1755in Johnson. |