单词 | silver-leaf |
释义 | silver-leafn. 1. a. Silver beaten out thin; silver-foil. ΘΚΠ society > leisure > the arts > visual arts > ornamental art and craft > gilding and silvering > [noun] > coating with silver > silver leaf or plate silver-foil1439 silver plate1526 leaf silvera1577 plate silver1648 silver-leaf1728 1728 E. Chambers Cycl. at Silver Silver-Leaf, is that the Gold-beaters have reduced into fine, thin Leaves, to be used by Gilders, &c. 1780 Encycl. Brit. V. 3300/1 In this manner silver-leaf is fixed and burnished upon brass in the making of what is called French plate. 1843 C. Holtzapffel Turning & Mech. Manip. I. 376 In the instances of tin-foil, gold and silver leaf, and some others, the hammer is again resorted to after the metals have been rolled. 1875 E. H. Knight Amer. Mech. Dict. II. 995/2 A yellow, transparent varnish spread over silver-leaf to give it the appearance of gold. b. A single piece of this. ΚΠ 1728 E. Chambers Cycl. at Couch The Gilders use Couch for the Quantity of Gold or Silver Leaves applied on the Metals in gilding or silvering. 1738 G. Smith tr. Laboratory iii. 99 You may lay on the Gold or Silver Leaves with Brandy. 1875 E. H. Knight Amer. Mech. Dict. II. 1240/2 A silver leaf is sometimes laid over the knots in superior work. 2. A tree or plant having silvery leaves, as the white poplar. Also attributive, having silvery leaves. ΘΚΠ the world > plants > part of plant > leaf > plant defined by leaves > [adjective] > having leaves of particular colour red-leavedc1425 red-leafed1597 silver-leaved1731 blue-leaved1764 brown-leaved1837 silver-leaf1846 1846–50 A. Wood Class-bk. Bot. 507 Abele or Silver-leaf Poplar. 1881 Gentleman's Mag. Jan. 66 Silver-leaf iron-bark country is always in high repute for grazing. 1889 J. H. Maiden Useful Native Plants Austral. 363 Acacia pendula,..Boree, or Silver-leaf Boree. 3. A disease of Prunus and other woody plants caused by the fungus Stereum purpureum, which is frequently associated with a silvery sheen of the leaves and often fatal to affected branches. ΘΚΠ the world > plants > disease or injury > [noun] > type of disease > fungal > associated with trees heart rot1808 white rot1828 sap-rot1838 red rot1847 conk1851 soft rot1886 pine blister1889 silver-leaf1890 leaf shedding1891 pine rust1893 leaf cast1894 partridge-wood1894 larch blister1895 needle-cast1895 sooty mould1901 white pine blister rust1909 larch needle cast1921 coral-spot1923 ink disease1923 pocket rot1926 wood rot1926 Dutch elm disease1927 oak wilt1942 ash dieback1957 the world > plants > disease or injury > [adjective] > of or having fungal disease rustyc1503 smutty1597 smutched1620 slaina1642 smutty1667 sooty1697 rusted1763 spurred1763 smutted1766 leaf spot1846 fly-speck1855 ergotized1860 tagged1892 mummied1893 mummified1895 conky1905 rhynchosporium1918 Alternaria1924 Sigatoka1925 pasmo1926 sclerotinia1926 oak wilt1942 silver-leaf1946 wildfire1971 1890 R. D. Blackmore Kit & Kitty III. ii. 27 Blister in a peach, or silver-leaf, or shanking in grapes. 1902 Jrnl. Linn. Soc.: Bot. 35 390 The disease known as ‘Silver-leaf’ is, so far as I am aware, confined to the Pruneæ, and has been the subject of observation and investigation for more than a quarter of a century. 1910 F. T. Brooks in Rep. Brit. Assoc. 776 Some Observations on the Silver-Leaf Disease of Fruit Trees. 1921 Discovery May 131/2 One disease of plums, known, because it causes the leaves to become silvery, as ‘Silver Leaf’, propagates itself only on dead wood. 1929 Trans. Brit. Mycol. Soc. 14 163 Silver leaf, Stereum purpureum Pers. 1946 H. Wormald Dis. Fruits & Hops iii. 57 The Silver Leaf Order of 1923 requires growers to cut off and burn all dead wood of plum and apple trees before 15th of July each year. 1969 P. Thrower Every Day Gardening xiii. 292/2 (caption) Branches and even complete trees can be killed by Silver Leaf disease, and fungal outgrowths form on the dead wood. First, however, the leaves take on a silvery sheen. 1977 Field 13 Jan. 66/1 Pruning [of plum trees] should be carried out in late spring..and preferably in dry weather. This is to avoid infection by the silver leaf fungus. This entry has not yet been fully updated (first published 1910; most recently modified version published online June 2022). < n.1728 |
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