单词 | ciliate |
释义 | ciliateadj.n. A. adj. 1. Chiefly Botany. Of a part: fringed or surrounded with hairs or fine bristles. ΘΚΠ the world > life > biology > physical aspects or shapes > villosity or ciliation > [adjective] ciliated1753 ciliate1760 villous1764 mastigopod1890 pelurious1922 1760 J. Lee Introd. Bot. iii. v. 177 Ciliate, lashed or fringed; when the Margin is surrounded on all Sides with parallel Bristles. 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xiii. 140 The keel of the chaffs is ciliate. 1835 E. Newman Gram. Entomol. ii. iii. 109 Ciliate antennæ (antennæ fimbriatæ) are those which, in primitive structure, are setaceous; but each joint is furnished on each side with a single hair. 1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 302 Between these teeth other minute teeth, also somewhat ciliate. 1861 P. Lankester Wild Flowers 80 The leaves are..ciliate. 1909 C. V. Riley in S. T. Maynard Pract. Fruit Grower 113 [Powdery mildew] produces simple ovoid summer spores and more complex and ciliate winter spores. 1965 Brittonia 17 94 Glandular trichomes copiously intermingled, the margins often scarious, ciliate; inner bracts essentially like the outer. 1983 S. Plant tr. M. Moser Keys to Agarics & Boleti i. 61 Cap bald, margin ciliate, ochre-isabelline. 2004 Kew Bull. 59 280/2 Calyx 4-merous, lobes 1.5–2 mm long, linear, ciliate, with some teeth between lobes. 2. Biology. Having microscopic vibratile cilia (cilia n. 3); spec. of or relating to protozoans of the phylum Ciliophora (or group Ciliata). ΘΚΠ the world > life > biology > physical aspects or shapes > villosity or ciliation > [adjective] > hairiness > having cilia ciliary1835 ciliated1835 ciliate1842 1842 Lancet 26 Feb. 735/2 The Fallopian tube is lined by a mucous membrane furnished with ciliate epithelium continuous..with that of the uterus. 1868 E. P. Wright Ocean World iv. 93 The superior Infusoria, called ciliate, namely, those provided with vibratile cils. 1879 tr. E. Haeckel Evol. Man I. vii. 174 When these cells are possessed of many processes they are called ciliate cells. 1923 Times 14 Sept. 6/2 The ciliate protozoa, he remarked, had been the subject of elaborate investigations. 1940 G. S. Carter Gen. Zool. Invertebr. viii. 359 Metachronal rhythm is not confined to metazoan cilia; it can be well seen in such ciliate protistans as Opalina. 1977 Science 18 Feb. 678/3 Most workers have regarded them as ciliate, rhizopodous, or flagellate protozoans. 2004 R. Dawkins Ancestor's Tale 533 If you look with a powerful microscope into the very fabric of a ciliate protozoan..you'll find that every cilium has a so-called basal body at its root. B. n. Biology. A protozoan of the phylum Ciliophora (or group Ciliata). ΘΚΠ the world > animals > invertebrates > protozoa > class Infusoria > subclass Ciliata > [noun] ciliate1883 1883 Amer. Naturalist 17 436 Merejkowsky described a new class of infusoria..forming a sort of connecting link between Ciliates, which are characterized by small vibratory hairs, and Acinetians, which have no such hairs. 1910 Science 9 Sept. 349/2 Of the undetermined species, two were rhizopods and six ciliates. 1947 Times 20 Oct. 3/1 The principal offender is a noisome ciliate, visible only under the microscope, which forms around itself a gelatinous envelope. 1974 U. K. Le Guin Dispossessed (1975) vi. 151 This fish eats that fish eats small fry eat ciliates eat bacteria and round you go. 2000 C. Tudge Variety of Life ii. iii. 147 Ciliophorans (or ciliates) propel themselves by cilia, at least when young, and never move in an amoeboid fashion. This entry has been updated (OED Third Edition, September 2009; most recently modified version published online March 2022). < adj.n.1760 |
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