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单词 operculate
释义 I. operculate, a. (n.) Nat. Hist.|əʊˈpɜːkjʊlət|
[ad. L. operculāt-us, pa. pple. of operculāre to furnish or cover with a lid, to cover, f. operculum cover, lid.]
A. adj. Furnished with or having an operculum; effected by means of an operculum.
1775Ash, Operculate, covered, close-covered.1819Pantologia s.v. Operculum, Such a capsule is said to be operculate, opercled, or covered with a lid.1826Kirby & Sp. Entomol. IV. 315 Operculate, when the eyes are covered by an operculum. Ex. Noctua conspicillaris.1835Lindley Introd. Bot. (1848) I. 327 The calyx is said to be operculate, if it falls off without any lateral rupture of its cap, as in Eucalyptus.1856Woodward Mollusca 132 Shell minute,..operculate.1857Henfrey Elem. Bot. 364 The peculiar operculate dehiscence of the anthers distinguishes this Order.1879W. Phillips tr. E. Boudier in Grevillea VIII. 46, I would call the first section [of Discomycetes] by the name of Operculate Discomycetes, or simply Operculæ, because in this section the opening of the asci takes place by the elevation of a little lid at its summit.1913Trans. Brit. Mycol. Soc. IV. 402 The asci in the operculate series are generally larger.1929Ibid. XIV. 275 The material for this study has been gathered in great part from the accounts which have already been given by other investigators, chiefly on operculate species.1971P. H. B. Talbot Princ. Fungal Taxon. xi. 160 The dehiscent types [of ascus], both operculate and inoperculate, become turgid and discharge their ascospores forcibly.
B. n. An operculate mollusc. In the pl. the L. form operculata is commonly used.
1856Woodward Mollusca 174 Class II. Gasteropoda. Order II. Pulmonifera... Section B. Operculata.1895Edin. Rev. Oct. 366 In one aberrant operculate, respiration is conducted by means of a lung-cavity.
II. oˈperculate, v. Obs.
[f. ppl. stem of L. operculāre: see prec.]
trans. To cover.
1623Cockeram, Operculate, to couer with a couering.1657Tomlinson Renou's Disp. 501 Keep the first..in a glass well operculated.
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