单词 | nervure |
释义 | nervuren. 1. Entomology. A vein in an insect's wing. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > wings(s) > nervure vein1658 nerve1752 venule1806 nervure1817 riba1836 subcosta1852 cubitus1895 media1895 cubit- 1817 W. Kirby & W. Spence Introd. Entomol. (ed. 2) II. xxiii. 347 The nervures are a kind of hollow tube..which take their origin in the trunk. 1858 Harper's Mag. Dec. 33/2 The wings distinctly differ in their nervures, the latter resembling gray crinkled silk. 1877 T. H. Huxley Man. Anat. Invertebrated Animals vii. 399 The wing is strengthened by radiating thickenings, or nervures, united by delicate transverse ridges. a1933 J. A. Thomson Biol. for Everyman (1934) I. xiii. 247 As they grow out they become flattened, and they show supporting thickenings of chitin, badly called ‘veins’ or ‘nervures’, which always follow some specific pattern. 1975 Nature 17 July 203/1 In a real insect wing, these tubes (veins or nervures) often carry haemolymph or serve as conduits for nerves and tracheae. 2. Botany. A vein of a leaf. Now rare. ΘΚΠ the world > plants > part of plant > leaf > [noun] > part or side of > rib or vein nerve?a1425 ribc1450 vein?c1450 sinew1551 brawn1601 master-vein1658 costa1699 venule1766 pen1773 surculus1775 midrib1793 venule1806 veinlet1807 rachis1830 nervure1842 nerving1854 1842 W. T. Brande Dict. Sci., Lit. & Art 822/1 In botany nervures are the veins of leaves. 1848 J. Lindley Introd. Bot. (ed. 4) I. 263 In order to obviate the inconvenience of using the word nerve, the term nervure is now often substituted. 1897 F. Thompson New Poems 4 And the flowers of dreaming Palèd not their fervours, For her blood flowed through their nervures. 1906 Bull. Torrey Bot. Club 33 310 The lateral nervures are from 6 to 8 mm. apart. 1991 Biotropica 23 279/1 Gall-makers oviposited within the main leaf nervure, which was usually avoided by chewers. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online June 2022). < n.1817 |
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