white topadj.n.

Brit.

/ˈwʌɪt ˌtɒp/, U.S.

/ˈ(h)waɪt ˈtɑp/

Origin: Formed within English, by compounding. Etymons: white adj., top n.¹

Etymology: < white adj. + top n.¹ Compare earlier white-topped adj. at white adj. and n. Compounds 1a.

A. adj. (attributive).

1. Designating a turnip root having a white top, and varieties of turnip producing such roots.

ΚΠ

1798 R. Parkinson Experienced Farmer I. 56 I prefer the white-top, or the stone-turnip.

1807 Compl. Farmer (ed. 5) II. at Turnip The author of the Experienced Farmer prefers the white top and stone turnips to all the others.

1849 Gardeners' Chron. 23 June 394/1 White-top Turnip, and Swedes, very good crop.

1950 H. L. Westover & H. A. Schoth Growing Root Crops for Livestock (U.S. Dept. Agric.) (new ed.) 3 Other varieties popular in the Pacific Northwest are Hardy Green Round, White Pomeranian, White Top Aberdeen, [etc.].

2. Of a plant: having upper parts (typically flowers or foliage) that are white or very pale.

ΘΚΠ

society > inhabiting and dwelling > inhabited place > a building > furniture and fittings > table > [adjective]

white top1888

1888 10th Rep. Vermont State Board Agric. 1887–8 125 A peculiarity of this white-top grass is in its double or triple methods of seeding, producing seeds at the top like other grasses.

1901 Jrnl. Soc. Chem. Industry 31 Dec. 1235/2 Eucalyptus vitrea (white top messmate)..contains no phellandrene, but from 20 to 26 per cent, of cineol.

1908 Ann. Rep. Pennsylvania Dept. Agric. 234 A mere apology at best for a hay crop, consisting of tall woody white top weeds, short clover, what is of it, and little short headed sickly timothy.

1975 D. S. Correll & H. B. Correll Aquatic & Wetland Plants Southw. U.S. 464 Dichromena... White-top Sedge.

2000 Nature Conservancy May 23/1 Whitetop pitcher plant (Sarracenia leucophylla).

2003 Globe & Mail (Toronto) May 31 (Nature Conservancy Canada Suppl.) 2/3 The property is home to at least three rare and threatened native plants, the White-top Aster, Yellow Montane Violet, and a small wild onion known as Howell's triteleia.

B. n.

1. Any of various grasses having a pale inflorescence. Cf. red-top n. 1.

ΘΚΠ

the world > plants > particular plants > plants and herbs > a grass or grasses > [noun] > names applied to various types of grass

windlestrawc1000

shear-grass1483

risp1508

sweet-grass1577

star grass1687

reesk1735

bluegrass1751

cheat1784

spear-grass1784

white top1803

prairie grass1812

elephant grass1832

ryegrass1845

wool-grass1854

snow-grass1865

quick1896

1803 A. F. M. Willich & J. Mease Domest. Encycl. (Amer. ed.) III. 197/2 The Red Top and White Top, are only varieties of the above species of grass.

1819 D. B. Warden Acc. U.S. II. 8 The grasses are: White clover, white top and red top.

1905 F. H. Storer Agric. in Relations with Chem. (ed. 7 revised) III. xl. 610 Its power of withstanding drought..enables the white-top to crowd out most other kinds of grasses.

1929 E. H. Templin & A. E. Shearin Soil Surv. Potter County, Texas (U.S. Dept. Agric.) 4 On areas of shallower soils on the High Plains, whitetop, needlegrasses, buffalo pea, and various other legumes grow in considerable profusion.

1984 J. C. Noble in Proc. Second Internat. Rangeland Congr. 17/2 Grazed and ungrazed populations of white-top (Danthonia caespitosa)..demonstrated similar survivorship curves.

2006 J. Jessop et al. Grasses S. Austral. 287 Austrodanthonia caespitosa (Gaudich.). White top, common wallaby-grass.

2. A white-top turnip. Cf. red-top n. 2. Now rare.

ΘΚΠ

the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > particular vegetables > [noun] > root vegetables > turnip > types of

rapea1398

round rape1559

nape1562

round turnip1599

yellow turnip1707

Indian turnip1735

tankard-turnip1744

orange jelly1769

white loaf1775

rutabaga1789

Swedish turnipc1791

red-top1805

white top1807

Swede1812

yellow-top1838

ox-heart1846

1807 T. Rudge Gen. View Agric. Gloucester 133 The Norfolk white-top is the next in succession.

1836 Mag. Bot. & Gardening 2 69/1 The [turnip] fly attacked the white top.

1900 J. Percival Agric. Bot. xxvii. 363 They [sc. white-fleshed varieties of turnip]..are conveniently divided into (1) ‘white tops’, (2) ‘green tops’, (3) ‘purple or red tops’, and (4) ‘greystones’.

3. Any of several eucalyptus trees, esp. the blackbutt, Eucalyptus pilularis, the bark of which peels from the upper trunk, leaving a whitish surface.

ΘΚΠ

the world > plants > particular plants > trees and shrubs > non-British trees or shrubs > Australasian trees > [noun] > eucalyptus trees

yellow box1662

gum tree1676

white gum tree1733

whip-stick1782

peppermint1790

red gum tree1790

red mahogany1798

white gum1798

box1801

blue gum1802

eucalyptus1809

box tree1819

black-butted gum1820

bloodwood1827

white ash1830

blackbutt1833

morrel1837

mountain ash1837

mallee scrub1845

apple gum1846

flooded gum1847

Moreton Bay ash1847

mallee1848

swamp gum1852

box-gum1855

manna gum1855

white top1856

river gum1860

grey box1861

woolly butt1862

marlock1863

fever tree1867

red ironbark1867

river white gum1867

karri1870

yellow jacket1876

eucalypt1877

yapunyah1878

coolibah1879

scribbly gum1883

forest mahogany1884

yellow jack1884

rose gum1885

Jimmy Low1887

nankeen gum1889

slaty gum1889

sugar-gum1889

apple box1890

Murray red gum1895

creek-gum1898

eucalyptian1901

forest red gum1904

river red gum1920

napunyah1921

whitewash gum1923

ghost gum1928

snow gum1928

Sydney blue gum1932

salmon gum1934

lapunyah1940

1856 Proc. Bot. Soc. Edinb. 64/2 Eucalyptus pillularis?—Mountain Ash of Illawarra. White or Willow Top of Brisbane Water.

1889 J. H. Maiden Useful Native Plants Austral. 502 Eucalyptus pilularis,..a Mountain Ash of Illawarra.., Willow, or White Top..(New South Wales).

1961 A. R. Penfold & J. L. Willis Eucalypts xii. 249 ‘White Top’..occurs fairly plentifully on the river banks and mountain ranges of eastern New South Wales.

2006 D. J. Boland et al. Forest Trees Austral. 576 (heading) Alpine Ash..White Top.

4. U.S. Any of various plants regarded as weeds of agricultural land, esp. any of several white-flowered species of fleabane (genus Erigeron), and hoary cress, Lepidium draba. Cf. whiteweed n.

ΘΚΠ

the world > plants > particular plants > plants perceived as weeds or harmful plants > weed > [noun] > other weeds

zizanya1400

hog's fennel1525

zizania1526

eyebright1578

henbit1578

red eye-bright1657

common orache1728

sitfast1762

winter weed1787

dubbeltjie1795

red bartsia1805

tread-softly1814

rattlesnake leaf1822

popple1855

horse-nettle1860

Cape weed1878

tree-tobacco1895

king devil1898

khaki weed1907

white top1909

three-corner jack1919

1909 H. N. Vinall Meadow Fescue (U.S. Dept. Agric.) 16 Whitetop (Erigeron ramosus) is troublesome only at irregular intervals.

1937 H. E. Morris & R. D. Mercer Perennial Weeds & Their Control 31 Wherever white-top becomes established it takes complete possession of the soil.

1988 Code Federal Regulations U.S.A.: Agric. vii. §201.86. 561 Seeds of the following plant shall be considered noxious weed seeds when in imported seed: Lepidium draba..—Whitetop.

2003 J. Eastman Bk. Field & Roadside 140 Other names [for fleabanes]: Daisy, tall daisy, horseweed, sweet scabious;..whitetop (E. strigosus).

2010 Adams County Rec. (Council, Idaho) (Nexis) 10 June White Top infestations are generally easy to spot by the cluster of white flowers.

This entry has been updated (OED Third Edition, March 2015; most recently modified version published online December 2021).

单词	white top
释义	white topadj.n. Brit. /ˈwʌɪt ˌtɒp/, U.S. /ˈ(h)waɪt ˈtɑp/ Origin: Formed within English, by compounding. Etymons: white adj., top n.¹ Etymology: < white adj. + top n.¹ Compare earlier white-topped adj. at white adj. and n. Compounds 1a. A. adj. (attributive). 1. Designating a turnip root having a white top, and varieties of turnip producing such roots. ΚΠ 1798 R. Parkinson Experienced Farmer I. 56 I prefer the white-top, or the stone-turnip. 1807 Compl. Farmer (ed. 5) II. at Turnip The author of the Experienced Farmer prefers the white top and stone turnips to all the others. 1849 Gardeners' Chron. 23 June 394/1 White-top Turnip, and Swedes, very good crop. 1950 H. L. Westover & H. A. Schoth Growing Root Crops for Livestock (U.S. Dept. Agric.) (new ed.) 3 Other varieties popular in the Pacific Northwest are Hardy Green Round, White Pomeranian, White Top Aberdeen, [etc.]. 2. Of a plant: having upper parts (typically flowers or foliage) that are white or very pale. ΘΚΠ society > inhabiting and dwelling > inhabited place > a building > furniture and fittings > table > [adjective] white top1888 1888 10th Rep. Vermont State Board Agric. 1887–8 125 A peculiarity of this white-top grass is in its double or triple methods of seeding, producing seeds at the top like other grasses. 1901 Jrnl. Soc. Chem. Industry 31 Dec. 1235/2 Eucalyptus vitrea (white top messmate)..contains no phellandrene, but from 20 to 26 per cent, of cineol. 1908 Ann. Rep. Pennsylvania Dept. Agric. 234 A mere apology at best for a hay crop, consisting of tall woody white top weeds, short clover, what is of it, and little short headed sickly timothy. 1975 D. S. Correll & H. B. Correll Aquatic & Wetland Plants Southw. U.S. 464 Dichromena... White-top Sedge. 2000 Nature Conservancy May 23/1 Whitetop pitcher plant (Sarracenia leucophylla). 2003 Globe & Mail (Toronto) May 31 (Nature Conservancy Canada Suppl.) 2/3 The property is home to at least three rare and threatened native plants, the White-top Aster, Yellow Montane Violet, and a small wild onion known as Howell's triteleia. B. n. 1. Any of various grasses having a pale inflorescence. Cf. red-top n. 1. ΘΚΠ the world > plants > particular plants > plants and herbs > a grass or grasses > [noun] > names applied to various types of grass windlestrawc1000 shear-grass1483 risp1508 sweet-grass1577 star grass1687 reesk1735 bluegrass1751 cheat1784 spear-grass1784 white top1803 prairie grass1812 elephant grass1832 ryegrass1845 wool-grass1854 snow-grass1865 quick1896 1803 A. F. M. Willich & J. Mease Domest. Encycl. (Amer. ed.) III. 197/2 The Red Top and White Top, are only varieties of the above species of grass. 1819 D. B. Warden Acc. U.S. II. 8 The grasses are: White clover, white top and red top. 1905 F. H. Storer Agric. in Relations with Chem. (ed. 7 revised) III. xl. 610 Its power of withstanding drought..enables the white-top to crowd out most other kinds of grasses. 1929 E. H. Templin & A. E. Shearin Soil Surv. Potter County, Texas (U.S. Dept. Agric.) 4 On areas of shallower soils on the High Plains, whitetop, needlegrasses, buffalo pea, and various other legumes grow in considerable profusion. 1984 J. C. Noble in Proc. Second Internat. Rangeland Congr. 17/2 Grazed and ungrazed populations of white-top (Danthonia caespitosa)..demonstrated similar survivorship curves. 2006 J. Jessop et al. Grasses S. Austral. 287 Austrodanthonia caespitosa (Gaudich.). White top, common wallaby-grass. 2. A white-top turnip. Cf. red-top n. 2. Now rare. ΘΚΠ the world > plants > particular plants > cultivated or valued plants > particular food plant or plant product > particular vegetables > [noun] > root vegetables > turnip > types of rapea1398 round rape1559 nape1562 round turnip1599 yellow turnip1707 Indian turnip1735 tankard-turnip1744 orange jelly1769 white loaf1775 rutabaga1789 Swedish turnipc1791 Swedish turnipc1791 red-top1805 white top1807 Swede1812 yellow-top1838 ox-heart1846 1807 T. Rudge Gen. View Agric. Gloucester 133 The Norfolk white-top is the next in succession. 1836 Mag. Bot. & Gardening 2 69/1 The [turnip] fly attacked the white top. 1900 J. Percival Agric. Bot. xxvii. 363 They [sc. white-fleshed varieties of turnip]..are conveniently divided into (1) ‘white tops’, (2) ‘green tops’, (3) ‘purple or red tops’, and (4) ‘greystones’. 3. Any of several eucalyptus trees, esp. the blackbutt, Eucalyptus pilularis, the bark of which peels from the upper trunk, leaving a whitish surface. ΘΚΠ the world > plants > particular plants > trees and shrubs > non-British trees or shrubs > Australasian trees > [noun] > eucalyptus trees yellow box1662 gum tree1676 white gum tree1733 whip-stick1782 peppermint1790 red gum tree1790 red mahogany1798 white gum1798 box1801 blue gum1802 eucalyptus1809 box tree1819 black-butted gum1820 bloodwood1827 white ash1830 blackbutt1833 morrel1837 mountain ash1837 mallee scrub1845 apple gum1846 flooded gum1847 Moreton Bay ash1847 mallee1848 swamp gum1852 box-gum1855 manna gum1855 white top1856 river gum1860 grey box1861 woolly butt1862 marlock1863 fever tree1867 red ironbark1867 river white gum1867 karri1870 yellow jacket1876 eucalypt1877 yapunyah1878 coolibah1879 scribbly gum1883 forest mahogany1884 yellow jack1884 rose gum1885 Jimmy Low1887 nankeen gum1889 slaty gum1889 sugar-gum1889 apple box1890 Murray red gum1895 creek-gum1898 eucalyptian1901 forest red gum1904 river red gum1920 napunyah1921 whitewash gum1923 ghost gum1928 snow gum1928 Sydney blue gum1932 salmon gum1934 lapunyah1940 1856 Proc. Bot. Soc. Edinb. 64/2 Eucalyptus pillularis?—Mountain Ash of Illawarra. White or Willow Top of Brisbane Water. 1889 J. H. Maiden Useful Native Plants Austral. 502 Eucalyptus pilularis,..a Mountain Ash of Illawarra.., Willow, or White Top..(New South Wales). 1961 A. R. Penfold & J. L. Willis Eucalypts xii. 249 ‘White Top’..occurs fairly plentifully on the river banks and mountain ranges of eastern New South Wales. 2006 D. J. Boland et al. Forest Trees Austral. 576 (heading) Alpine Ash..White Top. 4. U.S. Any of various plants regarded as weeds of agricultural land, esp. any of several white-flowered species of fleabane (genus Erigeron), and hoary cress, Lepidium draba. Cf. whiteweed n. ΘΚΠ the world > plants > particular plants > plants perceived as weeds or harmful plants > weed > [noun] > other weeds zizanya1400 hog's fennel1525 zizania1526 eyebright1578 henbit1578 red eye-bright1657 common orache1728 sitfast1762 winter weed1787 dubbeltjie1795 red bartsia1805 tread-softly1814 rattlesnake leaf1822 popple1855 horse-nettle1860 Cape weed1878 tree-tobacco1895 king devil1898 khaki weed1907 white top1909 three-corner jack1919 1909 H. N. Vinall Meadow Fescue (U.S. Dept. Agric.) 16 Whitetop (Erigeron ramosus) is troublesome only at irregular intervals. 1937 H. E. Morris & R. D. Mercer Perennial Weeds & Their Control 31 Wherever white-top becomes established it takes complete possession of the soil. 1988 Code Federal Regulations U.S.A.: Agric. vii. §201.86. 561 Seeds of the following plant shall be considered noxious weed seeds when in imported seed: Lepidium draba..—Whitetop. 2003 J. Eastman Bk. Field & Roadside 140 Other names [for fleabanes]: Daisy, tall daisy, horseweed, sweet scabious;..whitetop (E. strigosus). 2010 Adams County Rec. (Council, Idaho) (Nexis) 10 June White Top infestations are generally easy to spot by the cluster of white flowers. This entry has been updated (OED Third Edition, March 2015; most recently modified version published online December 2021). < adj.n.1798
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